diff --git a/lib/phlex/rails.rb b/lib/phlex/rails.rb
index a800302..ec05905 100644
--- a/lib/phlex/rails.rb
+++ b/lib/phlex/rails.rb
@@ -11,7 +11,6 @@ module Rails
 		autoload :BufferedLabelBuilder, "phlex/rails/buffered_label_builder"
 		autoload :BufferedRadioButtonBuilder, "phlex/rails/buffered_radio_button_builder"
 		autoload :CSV, "phlex/rails/csv"
-		autoload :FragmentFinder, "phlex/rails/fragment_finder"
 		autoload :HTML, "phlex/rails/html"
 		autoload :HelperFinder, "phlex/rails/helper_finder"
 		autoload :HelperMacros, "phlex/rails/helper_macros"
diff --git a/lib/phlex/rails/fragment_finder.rb b/lib/phlex/rails/fragment_finder.rb
deleted file mode 100644
index 4fea5e6..0000000
--- a/lib/phlex/rails/fragment_finder.rb
+++ /dev/null
@@ -1,28 +0,0 @@
-# frozen_string_literal: true
-
-module Phlex::Rails::FragmentFinder
-	extend self
-
-	Parser = if defined?(Nokolexbor)
-		Nokolexbor
-	else
-		require "nokogiri"
-		Nokogiri::HTML
-	end
-
-	def extract(html, ids)
-		parsed = Parser.parse(html)
-		selector = ids.map { |id| "##{id}" }.join(", ")
-
-		result = +""
-
-		ids.count.times do
-			if (fragment = parsed.at_css(selector))
-				result << fragment.to_s
-				fragment.remove
-			end
-		end
-
-		result
-	end
-end
diff --git a/lib/phlex/rails/helper_macros.rb b/lib/phlex/rails/helper_macros.rb
index 360274b..31fe6a8 100644
--- a/lib/phlex/rails/helper_macros.rb
+++ b/lib/phlex/rails/helper_macros.rb
@@ -8,7 +8,6 @@ def register_output_helper(method_name)
 
 			def #{method_name}(*args, **kwargs, &block)
   			context = @_context
-  			return if context.fragments && !context.in_target_fragment
 
 				output = if block
 					helpers.#{method_name}(*args, **kwargs) { capture(&block) }
@@ -43,7 +42,6 @@ def register_builder_yielding_helper(method_name, builder)
 
 			def #{method_name}(*args, **kwargs)
   			context = @_context
-  			return if context.fragments && !context.in_target_fragment
 				output = if block_given?
 					helpers.#{method_name}(*args, **kwargs) { |form|
 						capture do
diff --git a/lib/phlex/rails/sgml.rb b/lib/phlex/rails/sgml.rb
index 9fcad14..d74ef3b 100644
--- a/lib/phlex/rails/sgml.rb
+++ b/lib/phlex/rails/sgml.rb
@@ -64,12 +64,8 @@ def render(*args, **kwargs, &block)
 				end
 
 				def render_in(view_context, &erb)
-					fragments = if view_context.request && (fragment_header = view_context.request.headers["X-Fragment"])
-						fragment_header.split
-					end
-
 					if erb
-						call(view_context:, fragments:) { |*args|
+						call(view_context:) { |*args|
 							if args.length == 1 && Phlex::SGML === args[0] && !erb.source_location&.[](0)&.end_with?(".rb")
 								unbuffered = Phlex::Rails::Unbuffered.new(args[0])
 								raw(helpers.capture(unbuffered, &erb))
@@ -78,7 +74,7 @@ def render_in(view_context, &erb)
 							end
 						}.html_safe
 					else
-						call(view_context:, fragments:).html_safe
+						call(view_context:).html_safe
 					end
 				end
 
diff --git a/test/phlex/fragment_finder_test.rb b/test/phlex/fragment_finder_test.rb
deleted file mode 100644
index f66a2cc..0000000
--- a/test/phlex/fragment_finder_test.rb
+++ /dev/null
@@ -1,40 +0,0 @@
-# frozen_string_literal: true
-
-require "test_helper"
-
-class FragmentFinderTest < ActiveSupport::TestCase
-	include	Phlex::Rails::FragmentFinder
-
-	test "find one" do
-		result = extract(<<~HTML, ["b"])
-			<div id="a">A</div>
-			<div id="b">B</div>
-			<div id="c">c</div>
-		HTML
-
-		assert_equal %(<div id="b">B</div>), result
-	end
-
-	test "find two" do
-		result = extract(<<~HTML, ["b", "c"])
-			<div id="a">A</div>
-			<div id="b">B</div>
-			<div id="c">C</div>
-			<div id="d">D</div>
-		HTML
-
-		assert_equal %(<div id="b">B</div><div id="c">C</div>), result
-	end
-
-	test "doesn't duplicate" do
-		result = extract(<<~HTML, ["b", "c"])
-			<div id="a">A</div>
-			<div id="b">B
-				<div id="c">C</div>
-			</div>
-			<div id="d">D</div>
-		HTML
-
-		assert_equal %(<div id="b">B\n\t<div id="c">C</div>\n</div>), result
-	end
-end