diff --git a/ssuurlresolver/ssuurlresolver.pro b/ssuurlresolver/ssuurlresolver.pro
index c5a7bc4..c6afb4d 100644
--- a/ssuurlresolver/ssuurlresolver.pro
+++ b/ssuurlresolver/ssuurlresolver.pro
@@ -9,9 +9,6 @@ target.path = /usr/lib/zypp/plugins/urlresolver
 QT += network
 CONFIG += link_pkgconfig
 
-# Needed for recent versions of libzypp
-QMAKE_CXXFLAGS += -std=c++11
-
 HEADERS = ssuurlresolver.h
 SOURCES = main.cpp \
         ssuurlresolver.cpp
diff --git a/tests/ut_ssucli/ut_ssucli.pro b/tests/ut_ssucli/ut_ssucli.pro
index b5e4294..2893e7d 100644
--- a/tests/ut_ssucli/ut_ssucli.pro
+++ b/tests/ut_ssucli/ut_ssucli.pro
@@ -17,7 +17,4 @@ test_data_usr_share.files = \
         testdata/repos.ini \
 
 test_data_boardmappings_d.files = \
-        testdata/board-mappings.ini \
-
-# Needed for recent versions of libzypp
-QMAKE_CXXFLAGS += -std=c++11
+        testdata/board-mappings.ini \
\ No newline at end of file
diff --git a/tests/ut_ssuurlresolver/ut_ssuurlresolver.pro b/tests/ut_ssuurlresolver/ut_ssuurlresolver.pro
index 8b96149..ca30e4e 100644
--- a/tests/ut_ssuurlresolver/ut_ssuurlresolver.pro
+++ b/tests/ut_ssuurlresolver/ut_ssuurlresolver.pro
@@ -20,7 +20,4 @@ test_data_usr_share.files = \
         testdata/repos.ini \
 
 test_data_boardmappings_d.files = \
-        testdata/board-mappings.ini \
-
-# Needed for recent versions of libzypp
-QMAKE_CXXFLAGS += -std=c++11
+        testdata/board-mappings.ini \
\ No newline at end of file