diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6e5bbb8..57de5e1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -342,7 +342,6 @@ add_subdirectory(include/fcl)
 
 set(PKG_DESC "Flexible Collision Library")
 if(NOT MSVC)
-    set(PKG_CFLAGS "-std=c++11")
 endif()
 configure_file(fcl.pc.in fcl.pc @ONLY)