diff --git a/CMake/CurlCheckCSourceCompiles.cmake b/CMake/CurlCheckCSourceCompiles.cmake
index b63276809..2cff1c803 100644
--- a/CMake/CurlCheckCSourceCompiles.cmake
+++ b/CMake/CurlCheckCSourceCompiles.cmake
@@ -25,14 +25,10 @@ macro(CURL_CHECK_C_SOURCE_COMPILES SOURCE VAR)
     if(CMAKE_REQUIRED_LIBRARIES)
       set(CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES
         "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
-    else(CMAKE_REQUIRED_LIBRARIES)
-      set(CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES)
     endif(CMAKE_REQUIRED_LIBRARIES)
     if(CMAKE_REQUIRED_INCLUDES)
       set(CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES
         "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
-    else(CMAKE_REQUIRED_INCLUDES)
-      set(CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES)
     endif(CMAKE_REQUIRED_INCLUDES)
     set(src "")
     foreach(def ${EXTRA_DEFINES})