diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0fe939d..a7bd63f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -66,18 +66,6 @@
     include_directories(${CMAKE_CURRENT_SOURCE_DIR})
 endif()
 
-if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
-    # If we're doing an out of source build and the user has a zconf.h
-    # in their source tree...
-    if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h)
-        message(STATUS "Renaming")
-        message(STATUS "    ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h")
-        message(STATUS "to 'zconf.h.included' because this file is included with zlib")
-        message(STATUS "but CMake generates it automatically in the build directory.")
-        file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included)
-  endif()
-endif()
-
 set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc)
 configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein
 		${ZLIB_PC} @ONLY)