diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 2a45226e..04f39548 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -1,7 +1,3 @@
-include(CheckIncludeFile)
-include(CheckIncludeFiles)
-include(CheckSymbolExists)
-include(CheckFunctionExists)
 include(CheckLibraryExists)
 include(CheckTypeSize)
 include(CheckCXXSourceCompiles)