diff --git a/askama/Cargo.toml b/askama/Cargo.toml
index 64468b23e..eb17c58db 100644
--- a/askama/Cargo.toml
+++ b/askama/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "askama"
-version = "0.11.1"
+version = "0.11.2"
 description = "Type-safe, compiled Jinja-like templates for Rust"
 documentation = "https://docs.rs/askama"
 keywords = ["markup", "template", "jinja2", "html"]
@@ -17,29 +17,29 @@ maintenance = { status = "actively-developed" }
 
 [features]
 default = ["config", "humansize", "num-traits", "urlencode"]
-config = ["askama_derive/config", "askama_shared/config"]
+config = ["askama_shared/config"]
 humansize = ["askama_shared/humansize"]
 markdown = ["askama_shared/markdown"]
 urlencode = ["askama_shared/percent-encoding"]
-serde-json = ["askama_derive/json", "askama_shared/json"]
-serde-yaml = ["askama_derive/yaml", "askama_shared/yaml"]
+serde-json = ["askama_shared/json"]
+serde-yaml = ["askama_shared/yaml"]
 num-traits = ["askama_shared/num-traits"]
-with-actix-web = ["askama_derive/actix-web"]
-with-axum = ["askama_derive/axum"]
-with-gotham = ["askama_derive/gotham"]
-with-mendes = ["askama_derive/mendes"]
-with-rocket = ["askama_derive/rocket"]
-with-tide = ["askama_derive/tide"]
-with-warp = ["askama_derive/warp"]
+with-actix-web = ["askama_shared/actix-web"]
+with-axum = ["askama_shared/axum"]
+with-gotham = ["askama_shared/gotham"]
+with-mendes = ["askama_shared/mendes"]
+with-rocket = ["askama_shared/rocket"]
+with-tide = ["askama_shared/tide"]
+with-warp = ["askama_shared/warp"]
 
 # deprecated
 mime = []
 mime_guess = []
 
 [dependencies]
-askama_derive = { version = "0.11.2", path = "../askama_derive" }
-askama_escape = { version = "0.10", path = "../askama_escape" }
-askama_shared = { version = "0.12.1", path = "../askama_shared", default-features = false }
+askama_derive = { version = "0.12.0", path = "../askama_derive" }
+askama_escape = { version = "0.10.3", path = "../askama_escape" }
+askama_shared = { version = "0.13.0", path = "../askama_shared", default-features = false }
 
 [package.metadata.docs.rs]
 features = ["config", "humansize", "num-traits", "serde-json", "serde-yaml"]
diff --git a/askama/src/lib.rs b/askama/src/lib.rs
index ccfddc8fb..079c8f5b0 100644
--- a/askama/src/lib.rs
+++ b/askama/src/lib.rs
@@ -133,9 +133,7 @@ impl<T: Template> DynTemplate for T {
     }
 }
 
-pub use crate::shared::filters;
-pub use crate::shared::helpers;
-pub use crate::shared::{read_config_file, Error, MarkupDisplay, Result};
+pub use crate::shared::{filters, helpers, Error, MarkupDisplay, Result};
 pub use askama_derive::*;
 
 #[deprecated(since = "0.11.1", note = "The only function in this mod is deprecated")]
diff --git a/askama_actix/Cargo.toml b/askama_actix/Cargo.toml
index ab5c9059a..3b9fc911c 100644
--- a/askama_actix/Cargo.toml
+++ b/askama_actix/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "askama_actix"
-version = "0.13.0"
+version = "0.13.1"
 description = "Actix-Web integration for Askama templates"
 documentation = "https://docs.rs/askama"
 keywords = ["markup", "template", "jinja2", "html"]
@@ -14,8 +14,7 @@ edition = "2018"
 
 [dependencies]
 actix-web = { version = "4", default-features = false }
-askama = { version = "0.11.1", path = "../askama", default-features = false, features = ["with-actix-web"] }
-askama_shared = { version = "0.12.2", path = "../askama_shared" }
+askama = { version = "0.11.2", path = "../askama", default-features = false, features = ["with-actix-web"] }
 
 [dev-dependencies]
 actix-rt = { version = "2", default-features = false }
diff --git a/askama_derive/Cargo.toml b/askama_derive/Cargo.toml
index 80301dd5a..17526379b 100644
--- a/askama_derive/Cargo.toml
+++ b/askama_derive/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "askama_derive"
-version = "0.11.2"
+version = "0.12.0"
 description = "Procedural macro package for Askama"
 homepage = "https://github.com/djc/askama"
 repository = "https://github.com/djc/askama"
@@ -12,20 +12,5 @@ edition = "2018"
 [lib]
 proc-macro = true
 
-[features]
-config = ["askama_shared/config"]
-json = ["askama_shared/json"]
-yaml = ["askama_shared/yaml"]
-
-actix-web = []
-axum = []
-gotham = []
-mendes = []
-rocket = []
-tide = []
-warp = []
-
 [dependencies]
-askama_shared = { version = "0.12.1", path = "../askama_shared", default-features = false }
-proc-macro2 = "1"
-syn = "1"
+askama_shared = { version = "0.13.0", path = "../askama_shared", default-features = false }
diff --git a/askama_derive/src/lib.rs b/askama_derive/src/lib.rs
index 2409ba48d..b41fa6ac5 100644
--- a/askama_derive/src/lib.rs
+++ b/askama_derive/src/lib.rs
@@ -2,119 +2,9 @@
 #![deny(elided_lifetimes_in_paths)]
 #![deny(unreachable_pub)]
 
-use askama_shared::heritage::{Context, Heritage};
-use askama_shared::input::{Print, Source, TemplateInput};
-use askama_shared::parser::{parse, Expr, Node};
-use askama_shared::{
-    generator, get_template_source, read_config_file, CompileError, Config, Integrations,
-};
 use proc_macro::TokenStream;
 
-use std::collections::HashMap;
-use std::path::PathBuf;
-
 #[proc_macro_derive(Template, attributes(template))]
 pub fn derive_template(input: TokenStream) -> TokenStream {
-    let ast: syn::DeriveInput = syn::parse(input).unwrap();
-    match build_template(&ast) {
-        Ok(source) => source.parse().unwrap(),
-        Err(e) => e.to_compile_error().into(),
-    }
-}
-
-/// Takes a `syn::DeriveInput` and generates source code for it
-///
-/// Reads the metadata from the `template()` attribute to get the template
-/// metadata, then fetches the source from the filesystem. The source is
-/// parsed, and the parse tree is fed to the code generator. Will print
-/// the parse tree and/or generated source according to the `print` key's
-/// value as passed to the `template()` attribute.
-fn build_template(ast: &syn::DeriveInput) -> Result<String, CompileError> {
-    let config_toml = read_config_file()?;
-    let config = Config::new(&config_toml)?;
-    let input = TemplateInput::new(ast, &config)?;
-    let source: String = match input.source {
-        Source::Source(ref s) => s.clone(),
-        Source::Path(_) => get_template_source(&input.path)?,
-    };
-
-    let mut sources = HashMap::new();
-    find_used_templates(&input, &mut sources, source)?;
-
-    let mut parsed = HashMap::new();
-    for (path, src) in &sources {
-        parsed.insert(path.as_path(), parse(src, input.syntax)?);
-    }
-
-    let mut contexts = HashMap::new();
-    for (path, nodes) in &parsed {
-        contexts.insert(*path, Context::new(input.config, path, nodes)?);
-    }
-
-    let ctx = &contexts[input.path.as_path()];
-    let heritage = if !ctx.blocks.is_empty() || ctx.extends.is_some() {
-        Some(Heritage::new(ctx, &contexts))
-    } else {
-        None
-    };
-
-    if input.print == Print::Ast || input.print == Print::All {
-        eprintln!("{:?}", parsed[input.path.as_path()]);
-    }
-
-    let code = generator::generate(&input, &contexts, heritage.as_ref(), INTEGRATIONS)?;
-    if input.print == Print::Code || input.print == Print::All {
-        eprintln!("{}", code);
-    }
-    Ok(code)
+    askama_shared::derive_template(input.into()).into()
 }
-
-fn find_used_templates(
-    input: &TemplateInput<'_>,
-    map: &mut HashMap<PathBuf, String>,
-    source: String,
-) -> Result<(), CompileError> {
-    let mut dependency_graph = Vec::new();
-    let mut check = vec![(input.path.clone(), source)];
-    while let Some((path, source)) = check.pop() {
-        for n in parse(&source, input.syntax)? {
-            match n {
-                Node::Extends(Expr::StrLit(extends)) => {
-                    let extends = input.config.find_template(extends, Some(&path))?;
-                    let dependency_path = (path.clone(), extends.clone());
-                    if dependency_graph.contains(&dependency_path) {
-                        return Err(format!(
-                            "cyclic dependecy in graph {:#?}",
-                            dependency_graph
-                                .iter()
-                                .map(|e| format!("{:#?} --> {:#?}", e.0, e.1))
-                                .collect::<Vec<String>>()
-                        )
-                        .into());
-                    }
-                    dependency_graph.push(dependency_path);
-                    let source = get_template_source(&extends)?;
-                    check.push((extends, source));
-                }
-                Node::Import(_, import, _) => {
-                    let import = input.config.find_template(import, Some(&path))?;
-                    let source = get_template_source(&import)?;
-                    check.push((import, source));
-                }
-                _ => {}
-            }
-        }
-        map.insert(path, source);
-    }
-    Ok(())
-}
-
-const INTEGRATIONS: Integrations = Integrations {
-    actix: cfg!(feature = "actix-web"),
-    axum: cfg!(feature = "axum"),
-    gotham: cfg!(feature = "gotham"),
-    mendes: cfg!(feature = "mendes"),
-    rocket: cfg!(feature = "rocket"),
-    tide: cfg!(feature = "tide"),
-    warp: cfg!(feature = "warp"),
-};
diff --git a/askama_shared/Cargo.toml b/askama_shared/Cargo.toml
index 8e2be28e8..8affe583d 100644
--- a/askama_shared/Cargo.toml
+++ b/askama_shared/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "askama_shared"
-version = "0.12.2"
+version = "0.13.0"
 description = "Shared code for Askama"
 homepage = "https://github.com/djc/askama"
 repository = "https://github.com/djc/askama"
@@ -16,6 +16,14 @@ json = ["serde", "serde_json", "askama_escape/json"]
 markdown = ["comrak"]
 yaml = ["serde", "serde_yaml"]
 
+actix-web = []
+axum = []
+gotham = []
+mendes = []
+rocket = []
+tide = []
+warp = []
+
 [dependencies]
 askama_escape = { version = "0.10.3", path = "../askama_escape" }
 comrak = { version = "0.12", optional = true, default-features = false }
diff --git a/askama_shared/src/generator.rs b/askama_shared/src/generator.rs
index 99971392d..c9e482db4 100644
--- a/askama_shared/src/generator.rs
+++ b/askama_shared/src/generator.rs
@@ -1,27 +1,112 @@
-use super::{get_template_source, CompileError, Integrations};
-use crate::filters;
 use crate::heritage::{Context, Heritage};
-use crate::input::{Source, TemplateInput};
+use crate::input::{Print, Source, TemplateInput};
 use crate::parser::{parse, Cond, CondTest, Expr, Loop, Node, Target, When, Ws};
+use crate::{filters, get_template_source, read_config_file, CompileError, Config};
 
-use proc_macro2::Span;
-
+use proc_macro2::TokenStream;
 use quote::{quote, ToTokens};
 
 use std::collections::HashMap;
-use std::path::Path;
+use std::path::{Path, PathBuf};
 use std::{cmp, hash, mem, str};
 
-pub fn generate<S: std::hash::BuildHasher>(
-    input: &TemplateInput<'_>,
-    contexts: &HashMap<&Path, Context<'_>, S>,
-    heritage: Option<&Heritage<'_>>,
-    integrations: Integrations,
-) -> Result<String, CompileError> {
-    Generator::new(input, contexts, heritage, integrations, MapChain::new())
-        .build(&contexts[input.path.as_path()])
+/// The actual implementation for askama_derive::Template
+#[doc(hidden)]
+pub fn derive_template(input: TokenStream) -> TokenStream {
+    let ast: syn::DeriveInput = syn::parse2(input).unwrap();
+    match build_template(&ast) {
+        Ok(source) => source.parse().unwrap(),
+        Err(e) => e.into_compile_error(),
+    }
+}
+
+/// Takes a `syn::DeriveInput` and generates source code for it
+///
+/// Reads the metadata from the `template()` attribute to get the template
+/// metadata, then fetches the source from the filesystem. The source is
+/// parsed, and the parse tree is fed to the code generator. Will print
+/// the parse tree and/or generated source according to the `print` key's
+/// value as passed to the `template()` attribute.
+fn build_template(ast: &syn::DeriveInput) -> Result<String, CompileError> {
+    let config_toml = read_config_file()?;
+    let config = Config::new(&config_toml)?;
+    let input = TemplateInput::new(ast, &config)?;
+    let source: String = match input.source {
+        Source::Source(ref s) => s.clone(),
+        Source::Path(_) => get_template_source(&input.path)?,
+    };
+
+    let mut sources = HashMap::new();
+    find_used_templates(&input, &mut sources, source)?;
+
+    let mut parsed = HashMap::new();
+    for (path, src) in &sources {
+        parsed.insert(path.as_path(), parse(src, input.syntax)?);
+    }
+
+    let mut contexts = HashMap::new();
+    for (path, nodes) in &parsed {
+        contexts.insert(*path, Context::new(input.config, path, nodes)?);
+    }
+
+    let ctx = &contexts[input.path.as_path()];
+    let heritage = if !ctx.blocks.is_empty() || ctx.extends.is_some() {
+        Some(Heritage::new(ctx, &contexts))
+    } else {
+        None
+    };
+
+    if input.print == Print::Ast || input.print == Print::All {
+        eprintln!("{:?}", parsed[input.path.as_path()]);
+    }
+
+    let code = Generator::new(&input, &contexts, heritage.as_ref(), MapChain::new())
+        .build(&contexts[input.path.as_path()])?;
+    if input.print == Print::Code || input.print == Print::All {
+        eprintln!("{}", code);
+    }
+    Ok(code)
 }
 
+fn find_used_templates(
+    input: &TemplateInput<'_>,
+    map: &mut HashMap<PathBuf, String>,
+    source: String,
+) -> Result<(), CompileError> {
+    let mut dependency_graph = Vec::new();
+    let mut check = vec![(input.path.clone(), source)];
+    while let Some((path, source)) = check.pop() {
+        for n in parse(&source, input.syntax)? {
+            match n {
+                Node::Extends(Expr::StrLit(extends)) => {
+                    let extends = input.config.find_template(extends, Some(&path))?;
+                    let dependency_path = (path.clone(), extends.clone());
+                    if dependency_graph.contains(&dependency_path) {
+                        return Err(format!(
+                            "cyclic dependecy in graph {:#?}",
+                            dependency_graph
+                                .iter()
+                                .map(|e| format!("{:#?} --> {:#?}", e.0, e.1))
+                                .collect::<Vec<String>>()
+                        )
+                        .into());
+                    }
+                    dependency_graph.push(dependency_path);
+                    let source = get_template_source(&extends)?;
+                    check.push((extends, source));
+                }
+                Node::Import(_, import, _) => {
+                    let import = input.config.find_template(import, Some(&path))?;
+                    let source = get_template_source(&import)?;
+                    check.push((import, source));
+                }
+                _ => {}
+            }
+        }
+        map.insert(path, source);
+    }
+    Ok(())
+}
 struct Generator<'a, S: std::hash::BuildHasher> {
     // The template input state: original struct AST and attributes
     input: &'a TemplateInput<'a>,
@@ -29,8 +114,6 @@ struct Generator<'a, S: std::hash::BuildHasher> {
     contexts: &'a HashMap<&'a Path, Context<'a>, S>,
     // The heritage contains references to blocks and their ancestry
     heritage: Option<&'a Heritage<'a>>,
-    // What integrations need to be generated
-    integrations: Integrations,
     // Variables accessible directly from the current scope (not redirected to context)
     locals: MapChain<'a, &'a str, LocalMeta>,
     // Suffix whitespace from the previous literal. Will be flushed to the
@@ -53,14 +136,12 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
         input: &'n TemplateInput<'_>,
         contexts: &'n HashMap<&'n Path, Context<'n>, S>,
         heritage: Option<&'n Heritage<'_>>,
-        integrations: Integrations,
         locals: MapChain<'n, &'n str, LocalMeta>,
     ) -> Generator<'n, S> {
         Generator {
             input,
             contexts,
             heritage,
-            integrations,
             locals,
             next_ws: None,
             skip_ws: false,
@@ -72,13 +153,7 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
 
     fn child(&mut self) -> Generator<'_, S> {
         let locals = MapChain::with_parent(&self.locals);
-        Self::new(
-            self.input,
-            self.contexts,
-            self.heritage,
-            self.integrations,
-            locals,
-        )
+        Self::new(self.input, self.contexts, self.heritage, locals)
     }
 
     // Takes a Context and generates the relevant implementations.
@@ -93,27 +168,21 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
         self.impl_template(ctx, &mut buf)?;
         self.impl_display(&mut buf)?;
 
-        if self.integrations.actix {
-            self.impl_actix_web_responder(&mut buf)?;
-        }
-        if self.integrations.axum {
-            self.impl_axum_into_response(&mut buf)?;
-        }
-        if self.integrations.gotham {
-            self.impl_gotham_into_response(&mut buf)?;
-        }
-        if self.integrations.mendes {
-            self.impl_mendes_responder(&mut buf)?;
-        }
-        if self.integrations.rocket {
-            self.impl_rocket_responder(&mut buf)?;
-        }
-        if self.integrations.tide {
-            self.impl_tide_integrations(&mut buf)?;
-        }
-        if self.integrations.warp {
-            self.impl_warp_reply(&mut buf)?;
-        }
+        #[cfg(feature = "actix-web")]
+        self.impl_actix_web_responder(&mut buf)?;
+        #[cfg(feature = "axum")]
+        self.impl_axum_into_response(&mut buf)?;
+        #[cfg(feature = "gotham")]
+        self.impl_gotham_into_response(&mut buf)?;
+        #[cfg(feature = "mendes")]
+        self.impl_mendes_responder(&mut buf)?;
+        #[cfg(feature = "rocket")]
+        self.impl_rocket_responder(&mut buf)?;
+        #[cfg(feature = "tide")]
+        self.impl_tide_integrations(&mut buf)?;
+        #[cfg(feature = "warp")]
+        self.impl_warp_reply(&mut buf)?;
+
         Ok(buf.buf)
     }
 
@@ -202,6 +271,7 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
     }
 
     // Implement Actix-web's `Responder`.
+    #[cfg(feature = "actix-web")]
     fn impl_actix_web_responder(&mut self, buf: &mut Buffer) -> Result<(), CompileError> {
         self.write_header(buf, "::askama_actix::actix_web::Responder", None)?;
         buf.writeln("type Body = ::askama_actix::actix_web::body::BoxBody;")?;
@@ -216,6 +286,7 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
     }
 
     // Implement Axum's `IntoResponse`.
+    #[cfg(feature = "axum")]
     fn impl_axum_into_response(&mut self, buf: &mut Buffer) -> Result<(), CompileError> {
         self.write_header(buf, "::askama_axum::IntoResponse", None)?;
         buf.writeln("#[inline]")?;
@@ -230,6 +301,7 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
     }
 
     // Implement gotham's `IntoResponse`.
+    #[cfg(feature = "gotham")]
     fn impl_gotham_into_response(&mut self, buf: &mut Buffer) -> Result<(), CompileError> {
         self.write_header(buf, "::askama_gotham::IntoResponse", None)?;
         buf.writeln("#[inline]")?;
@@ -244,6 +316,7 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
     }
 
     // Implement mendes' `Responder`.
+    #[cfg(feature = "mendes")]
     fn impl_mendes_responder(&mut self, buf: &mut Buffer) -> Result<(), CompileError> {
         let param = syn::parse_str("A: ::mendes::Application").unwrap();
 
@@ -255,7 +328,7 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
         let mut where_clause = match where_clause {
             Some(clause) => clause.clone(),
             None => syn::WhereClause {
-                where_token: syn::Token![where](Span::call_site()),
+                where_token: syn::Token![where](proc_macro2::Span::call_site()),
                 predicates: syn::punctuated::Punctuated::new(),
             },
         };
@@ -293,8 +366,9 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
     }
 
     // Implement Rocket's `Responder`.
+    #[cfg(feature = "rocket")]
     fn impl_rocket_responder(&mut self, buf: &mut Buffer) -> Result<(), CompileError> {
-        let lifetime = syn::Lifetime::new("'askama", Span::call_site());
+        let lifetime = syn::Lifetime::new("'askama", proc_macro2::Span::call_site());
         let param = syn::GenericParam::Lifetime(syn::LifetimeDef::new(lifetime));
         self.write_header(
             buf,
@@ -315,6 +389,7 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
         Ok(())
     }
 
+    #[cfg(feature = "tide")]
     fn impl_tide_integrations(&mut self, buf: &mut Buffer) -> Result<(), CompileError> {
         let ext = self.input.extension().unwrap_or("txt");
 
@@ -340,6 +415,7 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
         buf.writeln("}\n}")
     }
 
+    #[cfg(feature = "warp")]
     fn impl_warp_reply(&mut self, buf: &mut Buffer) -> Result<(), CompileError> {
         self.write_header(buf, "::askama_warp::warp::reply::Reply", None)?;
         buf.writeln("#[inline]")?;
diff --git a/askama_shared/src/heritage.rs b/askama_shared/src/heritage.rs
index 8dd97e2e6..49599af32 100644
--- a/askama_shared/src/heritage.rs
+++ b/askama_shared/src/heritage.rs
@@ -4,13 +4,13 @@ use std::path::{Path, PathBuf};
 use crate::parser::{Expr, Loop, Macro, Node};
 use crate::{CompileError, Config};
 
-pub struct Heritage<'a> {
-    pub root: &'a Context<'a>,
-    pub blocks: BlockAncestry<'a>,
+pub(crate) struct Heritage<'a> {
+    pub(crate) root: &'a Context<'a>,
+    pub(crate) blocks: BlockAncestry<'a>,
 }
 
 impl Heritage<'_> {
-    pub fn new<'n, S: std::hash::BuildHasher>(
+    pub(crate) fn new<'n, S: std::hash::BuildHasher>(
         mut ctx: &'n Context<'n>,
         contexts: &'n HashMap<&'n Path, Context<'n>, S>,
     ) -> Heritage<'n> {
@@ -33,16 +33,16 @@ impl Heritage<'_> {
 
 type BlockAncestry<'a> = HashMap<&'a str, Vec<(&'a Context<'a>, &'a Node<'a>)>>;
 
-pub struct Context<'a> {
-    pub nodes: &'a [Node<'a>],
-    pub extends: Option<PathBuf>,
-    pub blocks: HashMap<&'a str, &'a Node<'a>>,
-    pub macros: HashMap<&'a str, &'a Macro<'a>>,
-    pub imports: HashMap<&'a str, PathBuf>,
+pub(crate) struct Context<'a> {
+    pub(crate) nodes: &'a [Node<'a>],
+    pub(crate) extends: Option<PathBuf>,
+    pub(crate) blocks: HashMap<&'a str, &'a Node<'a>>,
+    pub(crate) macros: HashMap<&'a str, &'a Macro<'a>>,
+    pub(crate) imports: HashMap<&'a str, PathBuf>,
 }
 
 impl Context<'_> {
-    pub fn new<'n>(
+    pub(crate) fn new<'n>(
         config: &Config<'_>,
         path: &Path,
         nodes: &'n [Node<'n>],
diff --git a/askama_shared/src/input.rs b/askama_shared/src/input.rs
index f7eac2336..c70b250f8 100644
--- a/askama_shared/src/input.rs
+++ b/askama_shared/src/input.rs
@@ -6,17 +6,17 @@ use std::str::FromStr;
 use mime::Mime;
 use quote::ToTokens;
 
-pub struct TemplateInput<'a> {
-    pub ast: &'a syn::DeriveInput,
-    pub config: &'a Config<'a>,
-    pub syntax: &'a Syntax<'a>,
-    pub source: Source,
-    pub print: Print,
-    pub escaper: &'a str,
-    pub ext: Option<String>,
-    pub mime_type: String,
-    pub parent: Option<&'a syn::Type>,
-    pub path: PathBuf,
+pub(crate) struct TemplateInput<'a> {
+    pub(crate) ast: &'a syn::DeriveInput,
+    pub(crate) config: &'a Config<'a>,
+    pub(crate) syntax: &'a Syntax<'a>,
+    pub(crate) source: Source,
+    pub(crate) print: Print,
+    pub(crate) escaper: &'a str,
+    pub(crate) ext: Option<String>,
+    pub(crate) mime_type: String,
+    pub(crate) parent: Option<&'a syn::Type>,
+    pub(crate) path: PathBuf,
 }
 
 impl TemplateInput<'_> {
@@ -24,7 +24,7 @@ impl TemplateInput<'_> {
     /// mostly recovers the data for the `TemplateInput` fields from the
     /// `template()` attribute list fields; it also finds the of the `_parent`
     /// field, if any.
-    pub fn new<'n>(
+    pub(crate) fn new<'n>(
         ast: &'n syn::DeriveInput,
         config: &'n Config<'_>,
     ) -> Result<TemplateInput<'n>, CompileError> {
@@ -209,13 +209,13 @@ impl TemplateInput<'_> {
     }
 
     #[inline]
-    pub fn extension(&self) -> Option<&str> {
+    pub(crate) fn extension(&self) -> Option<&str> {
         ext_default_to_path(self.ext.as_deref(), &self.path)
     }
 }
 
 #[inline]
-pub fn ext_default_to_path<'a>(ext: Option<&'a str>, path: &'a Path) -> Option<&'a str> {
+fn ext_default_to_path<'a>(ext: Option<&'a str>, path: &'a Path) -> Option<&'a str> {
     ext.or_else(|| extension(path))
 }
 
@@ -233,13 +233,13 @@ fn extension(path: &Path) -> Option<&str> {
     }
 }
 
-pub enum Source {
+pub(crate) enum Source {
     Path(String),
     Source(String),
 }
 
 #[derive(PartialEq)]
-pub enum Print {
+pub(crate) enum Print {
     All,
     Ast,
     Code,
diff --git a/askama_shared/src/lib.rs b/askama_shared/src/lib.rs
index 994662c5f..81500e12f 100644
--- a/askama_shared/src/lib.rs
+++ b/askama_shared/src/lib.rs
@@ -13,32 +13,29 @@ use proc_macro2::{Span, TokenStream};
 #[cfg(feature = "serde")]
 use serde::Deserialize;
 
+pub use crate::generator::derive_template;
 pub use crate::input::extension_to_mime_type;
 pub use askama_escape::MarkupDisplay;
 
 mod error;
 pub use crate::error::{Error, Result};
 pub mod filters;
-#[doc(hidden)]
-pub mod generator;
+mod generator;
 pub mod helpers;
-#[doc(hidden)]
-pub mod heritage;
-#[doc(hidden)]
-pub mod input;
-#[doc(hidden)]
-pub mod parser;
+mod heritage;
+mod input;
+mod parser;
 
 #[derive(Debug)]
-pub struct Config<'a> {
-    pub dirs: Vec<PathBuf>,
-    pub syntaxes: BTreeMap<String, Syntax<'a>>,
-    pub default_syntax: &'a str,
-    pub escapers: Vec<(HashSet<String>, String)>,
+struct Config<'a> {
+    dirs: Vec<PathBuf>,
+    syntaxes: BTreeMap<String, Syntax<'a>>,
+    default_syntax: &'a str,
+    escapers: Vec<(HashSet<String>, String)>,
 }
 
 impl Config<'_> {
-    pub fn new(s: &str) -> std::result::Result<Config<'_>, CompileError> {
+    fn new(s: &str) -> std::result::Result<Config<'_>, CompileError> {
         let root = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
         let default_dirs = vec![root.join("templates")];
 
@@ -106,7 +103,7 @@ impl Config<'_> {
         })
     }
 
-    pub fn find_template(
+    fn find_template(
         &self,
         path: &str,
         start_at: Option<&Path>,
@@ -134,13 +131,13 @@ impl Config<'_> {
 }
 
 #[derive(Debug)]
-pub struct Syntax<'a> {
-    pub block_start: &'a str,
-    pub block_end: &'a str,
-    pub expr_start: &'a str,
-    pub expr_end: &'a str,
-    pub comment_start: &'a str,
-    pub comment_end: &'a str,
+struct Syntax<'a> {
+    block_start: &'a str,
+    block_end: &'a str,
+    expr_start: &'a str,
+    expr_end: &'a str,
+    comment_start: &'a str,
+    comment_end: &'a str,
 }
 
 impl Default for Syntax<'_> {
@@ -239,7 +236,7 @@ struct RawEscaper<'a> {
     extensions: Vec<&'a str>,
 }
 
-pub fn read_config_file() -> std::result::Result<String, CompileError> {
+fn read_config_file() -> std::result::Result<String, CompileError> {
     let root = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
     let filename = root.join(CONFIG_FILE_NAME);
     if filename.exists() {
@@ -258,7 +255,7 @@ where
 }
 
 #[allow(clippy::match_wild_err_arm)]
-pub fn get_template_source(tpl_path: &Path) -> std::result::Result<String, CompileError> {
+fn get_template_source(tpl_path: &Path) -> std::result::Result<String, CompileError> {
     match fs::read_to_string(tpl_path) {
         Err(_) => Err(format!(
             "unable to open template file '{}'",
@@ -274,17 +271,6 @@ pub fn get_template_source(tpl_path: &Path) -> std::result::Result<String, Compi
     }
 }
 
-#[derive(Clone, Copy, Debug)]
-pub struct Integrations {
-    pub actix: bool,
-    pub axum: bool,
-    pub gotham: bool,
-    pub mendes: bool,
-    pub rocket: bool,
-    pub tide: bool,
-    pub warp: bool,
-}
-
 static CONFIG_FILE_NAME: &str = "askama.toml";
 static DEFAULT_SYNTAX_NAME: &str = "default";
 static DEFAULT_ESCAPERS: &[(&[&str], &str)] = &[
@@ -294,20 +280,20 @@ static DEFAULT_ESCAPERS: &[(&[&str], &str)] = &[
 ];
 
 #[derive(Debug, Clone)]
-pub struct CompileError {
+struct CompileError {
     msg: Cow<'static, str>,
     span: Span,
 }
 
 impl CompileError {
-    pub fn new<S: Into<Cow<'static, str>>>(s: S, span: Span) -> Self {
+    fn new<S: Into<Cow<'static, str>>>(s: S, span: Span) -> Self {
         Self {
             msg: s.into(),
             span,
         }
     }
 
-    pub fn to_compile_error(self) -> TokenStream {
+    fn into_compile_error(self) -> TokenStream {
         syn::Error::new(self.span, self.msg).to_compile_error()
     }
 }
diff --git a/askama_shared/src/parser.rs b/askama_shared/src/parser.rs
index 900e71ad7..2a7f49f64 100644
--- a/askama_shared/src/parser.rs
+++ b/askama_shared/src/parser.rs
@@ -13,7 +13,7 @@ use nom::{self, error_position, AsChar, IResult, InputTakeAtPosition};
 use crate::{CompileError, Syntax};
 
 #[derive(Debug, PartialEq)]
-pub enum Node<'a> {
+pub(crate) enum Node<'a> {
     Lit(&'a str, &'a str, &'a str),
     Comment(Ws),
     Expr(Ws, Expr<'a>),
@@ -34,19 +34,19 @@ pub enum Node<'a> {
 }
 
 #[derive(Debug, PartialEq)]
-pub struct Loop<'a> {
-    pub ws1: Ws,
-    pub var: Target<'a>,
-    pub iter: Expr<'a>,
-    pub cond: Option<Expr<'a>>,
-    pub body: Vec<Node<'a>>,
-    pub ws2: Ws,
-    pub else_block: Vec<Node<'a>>,
-    pub ws3: Ws,
+pub(crate) struct Loop<'a> {
+    pub(crate) ws1: Ws,
+    pub(crate) var: Target<'a>,
+    pub(crate) iter: Expr<'a>,
+    pub(crate) cond: Option<Expr<'a>>,
+    pub(crate) body: Vec<Node<'a>>,
+    pub(crate) ws2: Ws,
+    pub(crate) else_block: Vec<Node<'a>>,
+    pub(crate) ws3: Ws,
 }
 
 #[derive(Debug, PartialEq)]
-pub enum Expr<'a> {
+pub(crate) enum Expr<'a> {
     BoolLit(&'a str),
     NumLit(&'a str),
     StrLit(&'a str),
@@ -70,7 +70,7 @@ pub enum Expr<'a> {
 impl Expr<'_> {
     /// Returns `true` if enough assumptions can be made,
     /// to determine that `self` is copyable.
-    pub fn is_copyable(&self) -> bool {
+    pub(crate) fn is_copyable(&self) -> bool {
         self.is_copyable_within_op(false)
     }
 
@@ -98,7 +98,7 @@ impl Expr<'_> {
     }
 
     /// Returns `true` if this is an `Attr` where the `obj` is `"self"`.
-    pub fn is_attr_self(&self) -> bool {
+    pub(crate) fn is_attr_self(&self) -> bool {
         match self {
             Expr::Attr(obj, _) if matches!(obj.as_ref(), Expr::Var("self")) => true,
             Expr::Attr(obj, _) if matches!(obj.as_ref(), Expr::Attr(..)) => obj.is_attr_self(),
@@ -107,18 +107,18 @@ impl Expr<'_> {
     }
 }
 
-pub type When<'a> = (Ws, Target<'a>, Vec<Node<'a>>);
+pub(crate) type When<'a> = (Ws, Target<'a>, Vec<Node<'a>>);
 
 #[derive(Debug, PartialEq)]
-pub struct Macro<'a> {
-    pub ws1: Ws,
-    pub args: Vec<&'a str>,
-    pub nodes: Vec<Node<'a>>,
-    pub ws2: Ws,
+pub(crate) struct Macro<'a> {
+    pub(crate) ws1: Ws,
+    pub(crate) args: Vec<&'a str>,
+    pub(crate) nodes: Vec<Node<'a>>,
+    pub(crate) ws2: Ws,
 }
 
 #[derive(Debug, PartialEq)]
-pub enum Target<'a> {
+pub(crate) enum Target<'a> {
     Name(&'a str),
     Tuple(Vec<&'a str>, Vec<Target<'a>>),
     Struct(Vec<&'a str>, Vec<(&'a str, Target<'a>)>),
@@ -130,14 +130,14 @@ pub enum Target<'a> {
 }
 
 #[derive(Clone, Copy, Debug, PartialEq)]
-pub struct Ws(pub bool, pub bool);
+pub(crate) struct Ws(pub(crate) bool, pub(crate) bool);
 
-pub type Cond<'a> = (Ws, Option<CondTest<'a>>, Vec<Node<'a>>);
+pub(crate) type Cond<'a> = (Ws, Option<CondTest<'a>>, Vec<Node<'a>>);
 
 #[derive(Debug, PartialEq)]
-pub struct CondTest<'a> {
-    pub target: Option<Target<'a>>,
-    pub expr: Expr<'a>,
+pub(crate) struct CondTest<'a> {
+    pub(crate) target: Option<Target<'a>>,
+    pub(crate) expr: Expr<'a>,
 }
 
 fn is_ws(c: char) -> bool {
@@ -1157,7 +1157,10 @@ fn tag_expr_end<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, &'a str> {
     tag(s.syntax.expr_end)(i)
 }
 
-pub fn parse<'a>(src: &'a str, syntax: &'a Syntax<'a>) -> Result<Vec<Node<'a>>, CompileError> {
+pub(crate) fn parse<'a>(
+    src: &'a str,
+    syntax: &'a Syntax<'a>,
+) -> Result<Vec<Node<'a>>, CompileError> {
     let state = State {
         syntax,
         loop_depth: Cell::new(0),