diff --git a/src/qt/src/3rdparty/webkit/Source/JavaScriptCore/wtf/gobject/GOwnPtr.h b/src/qt/src/3rdparty/webkit/Source/JavaScriptCore/wtf/gobject/GOwnPtr.h
index 8c7e8372..966fbcd5 100644
--- a/src/qt/src/3rdparty/webkit/Source/JavaScriptCore/wtf/gobject/GOwnPtr.h
+++ b/src/qt/src/3rdparty/webkit/Source/JavaScriptCore/wtf/gobject/GOwnPtr.h
@@ -36,7 +36,6 @@ template <typename T> inline void freeOwnedGPtr(T* ptr);
 template<> void freeOwnedGPtr<GError>(GError*);
 template<> void freeOwnedGPtr<GList>(GList*);
 template<> void freeOwnedGPtr<GCond>(GCond*);
-template<> void freeOwnedGPtr<GMutex>(GMutex*);
 template<> void freeOwnedGPtr<GPatternSpec>(GPatternSpec*);
 template<> void freeOwnedGPtr<GDir>(GDir*);
 
diff --git a/src/qt/src/3rdparty/webkit/Source/JavaScriptCore/wtf/gobject/GTypedefs.h b/src/qt/src/3rdparty/webkit/Source/JavaScriptCore/wtf/gobject/GTypedefs.h
index c7f7ac4a..fedd1fda 100644
--- a/src/qt/src/3rdparty/webkit/Source/JavaScriptCore/wtf/gobject/GTypedefs.h
+++ b/src/qt/src/3rdparty/webkit/Source/JavaScriptCore/wtf/gobject/GTypedefs.h
@@ -52,7 +52,6 @@ typedef struct _GFile GFile;
 typedef struct _GHashTable GHashTable;
 typedef struct _GInputStream GInputStream;
 typedef struct _GList GList;
-typedef struct _GMutex GMutex;
 typedef struct _GPatternSpec GPatternSpec;
 typedef struct _GPollableOutputStream GPollableOutputStream;
 typedef struct _GSocketClient GSocketClient;