diff --git a/testing/gmock.gyp b/testing/gmock.gyp
index 55e1609..3574bec 100644
--- a/testing/gmock.gyp
+++ b/testing/gmock.gyp
@@ -29,7 +29,6 @@
         'gmock/src/gmock-matchers.cc',
         'gmock/src/gmock-spec-builders.cc',
         'gmock/src/gmock.cc',
-        'gmock_mutant.h',  # gMock helpers
       ],
       'include_dirs': [
         'gmock',
diff --git a/testing/gtest.gyp b/testing/gtest.gyp
index 0ed4c60..3c01552 100644
--- a/testing/gtest.gyp
+++ b/testing/gtest.gyp
@@ -44,7 +44,6 @@
         'gtest/src/gtest-test-part.cc',
         'gtest/src/gtest-typed-test.cc',
         'gtest/src/gtest.cc',
-        'gtest-support.h',
       ],
       'sources!': [
         'gtest/src/gtest-all.cc',  # Not needed by our build.
diff --git a/third_party/third_party.gyp b/third_party/third_party.gyp
index ff65771..3446439 100644
--- a/third_party/third_party.gyp
+++ b/third_party/third_party.gyp
@@ -195,7 +195,6 @@
         'libjpeg/jpegint.h',
         'libjpeg/jpeglib.h',
         'libjpeg/jversion.h',
-        'libjpeg/makefile',
         'libjpeg/transupp.h',
       ],
       'conditions': [