diff --git a/docs/analyzers/feed.md b/docs/analyzers/feed.md
index 1165fc40..a3048476 100644
--- a/docs/analyzers/feed.md
+++ b/docs/analyzers/feed.md
@@ -33,6 +33,12 @@ json: ...
 
 `selector` (`string`) is a `jr` selector.
 
+!!! warning
+
+    With great power comes great responsibility.
+
+    `jr` can execute anything with the same privilege Mihari has. Do not use untrusted selector.
+
 ### Headers
 
 `headers` (`hash`) is an HTTP headers. Optional.
diff --git a/lib/mihari/services/feed.rb b/lib/mihari/services/feed.rb
index 5cf76932..6af551ca 100644
--- a/lib/mihari/services/feed.rb
+++ b/lib/mihari/services/feed.rb
@@ -93,10 +93,7 @@ class FeedParser < Service
       #
       # @param [Object] read_data
       def call(input_enumerator, selector)
-        parsed = proc do
-          $SAFE = 1
-          input_enumerator.instance_eval(selector)
-        end.call
+        parsed = input_enumerator.instance_eval(selector)
 
         raise TypeError unless parsed.is_a?(Array) || parsed.all?(String)