diff --git a/lib/es6_module_transpiler/tilt/es6_module_transpiler_template.rb b/lib/es6_module_transpiler/tilt/es6_module_transpiler_template.rb
index 0814a968be5..9ca2c8f2f45 100644
--- a/lib/es6_module_transpiler/tilt/es6_module_transpiler_template.rb
+++ b/lib/es6_module_transpiler/tilt/es6_module_transpiler_template.rb
@@ -41,6 +41,7 @@ JS
     end
 
     def self.reset_context
+      @ctx.dispose
       @ctx = nil
     end
 
diff --git a/lib/js_locale_helper.rb b/lib/js_locale_helper.rb
index 44a2fe537ea..fe9f1951923 100644
--- a/lib/js_locale_helper.rb
+++ b/lib/js_locale_helper.rb
@@ -161,6 +161,7 @@ module JsLocaleHelper
   end
 
   def self.reset_context
+    @ctx.dispose
     @ctx = nil
   end
 
diff --git a/lib/pretty_text.rb b/lib/pretty_text.rb
index fd1e73c68a7..40d000368fa 100644
--- a/lib/pretty_text.rb
+++ b/lib/pretty_text.rb
@@ -123,6 +123,7 @@ module PrettyText
 
   def self.reset_context
     @ctx_init.synchronize do
+      @ctx.dispose
       @ctx = nil
     end
   end