--- a/third_party/WebKit/Source/bindings/scripts/scripts.gyp.orig	2014-08-19 09:55:10.330972228 +0000
+++ b/third_party/WebKit/Source/bindings/scripts/scripts.gyp	2014-08-19 09:55:26.387286232 +0000
@@ -54,7 +54,6 @@
     'actions': [{
       'action_name': 'cache_jinja_templates',
       'inputs': [
-        '<@(jinja_module_files)',
         'code_generator_v8.py',
         '<@(code_generator_template_files)',
       ],
--- a/third_party/WebKit/Source/build/scripts/scripts.gypi.orig	2014-08-19 10:00:00.216521733 +0000
+++ b/third_party/WebKit/Source/build/scripts/scripts.gypi	2014-08-19 10:00:11.464735099 +0000
@@ -2,10 +2,6 @@
 {
     'variables': {
         'scripts_for_in_files': [
-            # jinja2/__init__.py contains version string, so sufficient as
-            # dependency for whole jinja2 package
-            '<(DEPTH)/third_party/jinja2/__init__.py',
-            '<(DEPTH)/third_party/markupsafe/__init__.py',  # jinja2 dep
             'hasher.py',
             'in_file.py',
             'in_generator.py',
--- a/third_party/WebKit/Source/bindings/scripts/scripts.gypi.orig	2014-08-19 10:53:02.824618979 +0000
+++ b/third_party/WebKit/Source/bindings/scripts/scripts.gypi	2014-08-19 10:53:20.784957370 +0000
@@ -12,9 +12,6 @@
       '<(DEPTH)/third_party/markupsafe/__init__.py',  # jinja2 dep
     ],
     'idl_lexer_parser_files': [
-      # PLY (Python Lex-Yacc)
-      '<(DEPTH)/third_party/ply/lex.py',
-      '<(DEPTH)/third_party/ply/yacc.py',
       # Web IDL lexer/parser (base parser)
       '<(DEPTH)/tools/idl_parser/idl_lexer.py',
       '<(DEPTH)/tools/idl_parser/idl_node.py',
--- a/third_party/WebKit/Source/build/scripts/scripts.gni.orig	2016-06-02 09:54:28.510152077 +0000
+++ b/third_party/WebKit/Source/build/scripts/scripts.gni	2016-06-02 09:54:50.966612510 +0000
@@ -9,10 +9,6 @@
 _scripts_dir = "//third_party/WebKit/Source/build/scripts"
 
 scripts_for_in_files = [
-  # jinja2/__init__.py contains version string, so sufficient as
-  # dependency for whole jinja2 package
-  "//third_party/jinja2/__init__.py",
-  "//third_party/markupsafe/__init__.py",  # jinja2 dep
   "$_scripts_dir/hasher.py",
   "$_scripts_dir/in_file.py",
   "$_scripts_dir/in_generator.py",
--- a/third_party/WebKit/Source/bindings/scripts/BUILD.gn.orig	2016-06-02 10:03:01.100658943 +0000
+++ b/third_party/WebKit/Source/bindings/scripts/BUILD.gn	2016-06-02 10:03:13.240907715 +0000
@@ -36,7 +36,7 @@
 action("cached_jinja_templates") {
   script = "code_generator_v8.py"
 
-  inputs = jinja_module_files + [ "code_generator_v8.py" ] +
+  inputs = [ "code_generator_v8.py" ] +
            code_generator_template_files
 
   # Dummy file to track dependency.