diff -Nru gtkmm2.4-2.24.4/debian/changelog gtkmm2.4-2.24.4/debian/changelog
--- gtkmm2.4-2.24.4/debian/changelog	2015-07-30 15:51:33.000000000 +0000
+++ gtkmm2.4-2.24.4/debian/changelog	2015-08-17 21:26:36.000000000 +0000
@@ -1,11 +1,10 @@
-gtkmm2.4 (1:2.24.4-1.1ubuntu1) wily; urgency=medium
+gtkmm2.4 (1:2.24.4-2) unstable; urgency=medium
 
-  * Rename libgtkmm-2.4-1c2a to libgtkmm-2.4-1v5, follow-up to the
-    libstdc++6 ABI transition.
-  * Add Breaks/Replaces to the old library package.
-  * Build with -std=c++11.
+  * Team upload.
+  * Rename libgtkmm-2.4-1c2a to libgtkmm-2.4-1v5, for the
+    libstdc++6 ABI transition. Based on a patch from Matthias Klose.
 
- -- Matthias Klose <doko@ubuntu.com>  Thu, 30 Jul 2015 17:47:41 +0200
+ -- Simon McVittie <smcv@debian.org>  Mon, 17 Aug 2015 22:26:27 +0100
 
 gtkmm2.4 (1:2.24.4-1.1) unstable; urgency=low
 
diff -Nru gtkmm2.4-2.24.4/debian/rules gtkmm2.4-2.24.4/debian/rules
--- gtkmm2.4-2.24.4/debian/rules	2015-07-30 15:51:16.000000000 +0000
+++ gtkmm2.4-2.24.4/debian/rules	2014-08-28 19:55:16.000000000 +0000
@@ -14,7 +14,6 @@
 SHVER := 1:2.24.0
 
 LDFLAGS += -Wl,-z,defs -Wl,-O1 -Wl,--as-needed
-CXXFLAGS += -std=c++11
 
 DEB_CONFIGURE_EXTRA_FLAGS += --libdir=\$${prefix}/lib/$(DEB_HOST_MULTIARCH)