diff --git a/app/base/gimphistogram.c b/app/base/gimphistogram.c
index 60f53e9d5e..ac6f24aff1 100644
--- a/app/base/gimphistogram.c
+++ b/app/base/gimphistogram.c
@@ -21,6 +21,7 @@
 
 #include <string.h>
 
+#undef G_DISABLE_DEPRECATED /* GStaticMutex */
 #include <glib-object.h>
 
 #include "libgimpmath/gimpmath.h"
diff --git a/app/gegl/gimpoperationtilesink.c b/app/gegl/gimpoperationtilesink.c
index 7ea21fc251..2762fd6e36 100644
--- a/app/gegl/gimpoperationtilesink.c
+++ b/app/gegl/gimpoperationtilesink.c
@@ -22,6 +22,7 @@
 
 #include <string.h>
 
+#undef G_DISABLE_DEPRECATED /* GStaticMutex */
 #include <gegl.h>
 #include <gegl-buffer.h>