diff --git a/src/Makevars b/src/Makevars
index 26b64b8..b866953 100644
--- a/src/Makevars
+++ b/src/Makevars
@@ -1,4 +1,3 @@
-CXX_STD = CXX11
 PKG_LIBS = -pthread
 PKG_CPPFLAGS = -pthread -DSTRICT_R_HEADERS -DBOOST_NO_AUTO_PTR -I./Starspace/src