diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 2e4d9d4..7887e21 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -29,11 +29,7 @@
     add_test(${data_name}-suite test_suite_${data_name})
 endfunction(add_test_suite)
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function -Wno-unused-value")
-set(CMAKE_C_FLAGS_CHECK "${CMAKE_C_FLAGS_CHECK} -Wno-unused-function -Wno-unused-value")
-if(CMAKE_COMPILER_IS_CLANG)
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unreachable-code")
-endif(CMAKE_COMPILER_IS_CLANG)
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
 
 add_test_suite(aes aes.ecb)
 add_test_suite(aes aes.cbc)