diff --git a/test/compile-error-test/CMakeLists.txt b/test/compile-error-test/CMakeLists.txt
index 495f6598..c4a16068 100644
--- a/test/compile-error-test/CMakeLists.txt
+++ b/test/compile-error-test/CMakeLists.txt
@@ -177,12 +177,6 @@ set(CMAKE_REQUIRED_FLAGS )
 if (NOT SUPPORTS_USER_DEFINED_LITERALS)
   set (SUPPORTS_USER_DEFINED_LITERALS OFF)
 endif ()
-if (SUPPORTS_USER_DEFINED_LITERALS AND CMAKE_COMPILER_IS_GNUCXX)
-  # GCC before 4.9 is not supported for user-defined literals as it requires an
-  # invalid syntax in their definition.
-  set (SUPPORTS_USER_DEFINED_LITERALS
-    $<IF:$<$<VERSION_LESS:$<CXX_COMPILER_VERSION>,4.9.0>,OFF,ON>
-endif()
 
 # Make sure that compiler features detected in the header
 # match the features detected in CMake.