diff --git a/gfx/skia/generate_mozbuild.py b/gfx/skia/generate_mozbuild.py
index 9b65ae7afc07..aa9dc006083b 100755
--- a/gfx/skia/generate_mozbuild.py
+++ b/gfx/skia/generate_mozbuild.py
@@ -131,6 +131,7 @@ def generate_separated_sources(platform_sources):
     'GrGLCreateNativeInterface',
     'fontconfig',
     '_neon',
+    'SkThreadUtils_pthread_',
     'SkImage_Codec',
     'SkBitmapChecksummer',
     'SkNativeGLContext',
@@ -175,7 +176,6 @@ def generate_separated_sources(platform_sources):
       # 'trunk/src/ports/SkPurgeableMemoryBlock_android.cpp',
       # 'trunk/src/ports/SkTime_Unix.cpp',
       # 'trunk/src/utils/SkThreadUtils_pthread.cpp',
-      # 'trunk/src/utils/SkThreadUtils_pthread_other.cpp',
       # 'trunk/src/images/SkImageRef_ashmem.cpp',
       # 'trunk/src/utils/android/ashmem.cpp',
     },
diff --git a/gfx/skia/moz.build b/gfx/skia/moz.build
index f309ac0aeaf3..0efbfd89f1b2 100644
--- a/gfx/skia/moz.build
+++ b/gfx/skia/moz.build
@@ -709,7 +709,6 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('android', 'gonk'):
         'trunk/src/ports/SkTLS_pthread.cpp',
         'trunk/src/utils/android/ashmem.cpp',
         'trunk/src/utils/SkThreadUtils_pthread.cpp',
-        'trunk/src/utils/SkThreadUtils_pthread_other.cpp',
     ]
     DEFINES['SK_FONTHOST_CAIRO_STANDALONE'] = 0
 if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
@@ -723,7 +722,6 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
         'trunk/src/utils/mac/SkCreateCGImageRef.cpp',
         'trunk/src/utils/mac/SkStream_mac.cpp',
         'trunk/src/utils/SkThreadUtils_pthread.cpp',
-        'trunk/src/utils/SkThreadUtils_pthread_mach.cpp',
     ]
 if CONFIG['MOZ_WIDGET_GTK']:
     SOURCES += [
@@ -735,7 +733,6 @@ if CONFIG['MOZ_WIDGET_GTK']:
         'trunk/src/ports/SkTime_Unix.cpp',
         'trunk/src/ports/SkTLS_pthread.cpp',
         'trunk/src/utils/SkThreadUtils_pthread.cpp',
-        'trunk/src/utils/SkThreadUtils_pthread_linux.cpp',
     ]
 if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'windows':
     SOURCES += [