diff --git a/gtkmm2.changes b/gtkmm2.changes
index b3c96e3..d2272b8 100644
--- a/gtkmm2.changes
+++ b/gtkmm2.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Apr 19 13:10:26 UTC 2016 - zaitor@opensuse.org
+
+- Stop exporting CFLAGS and CXXFLAGS, no longer needed due to
+  changes in libsigc++.
+
 -------------------------------------------------------------------
 Thu Aug 20 20:45:35 UTC 2015 - zaitor@opensuse.org
 
diff --git a/gtkmm2.spec b/gtkmm2.spec
index 2fcc14d..8f99a07 100644
--- a/gtkmm2.spec
+++ b/gtkmm2.spec
@@ -78,8 +78,6 @@ freely combined to quickly create complex user interfaces.
 %patch0 -p1
 
 %build
-export CFLAGS="%{optflags} -std=c++11"
-export CXXFLAGS="%{optflags} -std=c++11"
 %configure \
         --disable-static
 make %{?_smp_mflags} gtkmm_docdir=%{_docdir}/%{name}/docs