diff --git a/glibmm-win-mutex.patch b/glibmm-win-mutex.patch
deleted file mode 100644
index 079fdca..0000000
--- a/glibmm-win-mutex.patch
+++ /dev/null
@@ -1,10 +0,0 @@
---- glibmm-2.47.3.1/glib/glibmm/dispatcher.cc.orig	2015-12-01 12:53:49.240354273 +0100
-+++ glibmm-2.47.3.1/glib/glibmm/dispatcher.cc	2015-12-01 12:53:57.476173453 +0100
-@@ -33,6 +33,7 @@
- # include <io.h>
- # include <direct.h>
- # include <list>
-+# include <mutex>
- #else
- # include <unistd.h>
- #endif
diff --git a/mingw-glibmm24.spec b/mingw-glibmm24.spec
index b4134ba..b1bfc26 100644
--- a/mingw-glibmm24.spec
+++ b/mingw-glibmm24.spec
@@ -12,8 +12,6 @@ License:        LGPLv2+
 Group:          Development/Libraries
 URL:            http://www.gtkmm.org/
 Source0:        http://ftp.gnome.org/pub/GNOME/sources/glibmm/%{release_version}/glibmm-%{version}.tar.xz
-# https://bugzilla.gnome.org/show_bug.cgi?id=758894
-Patch0:         glibmm-win-mutex.patch
 
 BuildArch:      noarch