diff --git a/MODULE.bazel b/MODULE.bazel
index 9c3e82e..7b5e833 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -17,13 +17,6 @@ bazel_dep(name = "aspect_rules_js", version = "1.34.0")
 bazel_dep(name = "rules_nodejs", version = "5.5.3")
 bazel_dep(name = "platforms", version = "0.0.5")
 
-rollup = use_extension("@aspect_rules_rollup//rollup:extensions.bzl", "rollup")
-rollup.toolchain(
-    name = "rollup",
-    rollup_version = "v2.70.2",
-)
-use_repo(rollup, "rollup")
-
 ####### Dev dependencies ########
 
 bazel_dep(name = "buildifier_prebuilt", version = "6.4.0", dev_dependency = True)
diff --git a/rollup/extensions.bzl b/rollup/extensions.bzl
deleted file mode 100644
index a681e35..0000000
--- a/rollup/extensions.bzl
+++ /dev/null
@@ -1,37 +0,0 @@
-"extensions for bzlmod"
-
-load(":repositories.bzl", "rollup_repositories")
-
-rollup_toolchain = tag_class(attrs = {
-    "name": attr.string(doc = "Base name for generated repositories"),
-    "rollup_version": attr.string(doc = "Explicit version of rollup."),
-    # TODO: support this variant
-    # "rollup_version_from": attr.string(doc = "Location of package.json which may have a version for @rollup/core."),
-})
-
-def _toolchain_extension(module_ctx):
-    registrations = {}
-    for mod in module_ctx.modules:
-        for toolchain in mod.tags.toolchain:
-            if toolchain.name in registrations.keys():
-                if toolchain.rollup_version == registrations[toolchain.name]:
-                    # No problem to register a matching toolchain twice
-                    continue
-                fail("Multiple conflicting toolchains declared for name {} ({} and {}".format(
-                    toolchain.name,
-                    toolchain.rollup_version,
-                    registrations[toolchain.name],
-                ))
-            else:
-                registrations[toolchain.name] = toolchain.rollup_version
-    for name, rollup_version in registrations.items():
-        rollup_repositories(
-            name = name,
-            rollup_version = rollup_version,
-            register = False,
-        )
-
-rollup = module_extension(
-    implementation = _toolchain_extension,
-    tag_classes = {"toolchain": rollup_toolchain},
-)