Index: llvm/trunk/CMakeLists.txt
===================================================================
--- llvm/trunk/CMakeLists.txt
+++ llvm/trunk/CMakeLists.txt
@@ -2,10 +2,6 @@
 
 cmake_minimum_required(VERSION 3.4.3)
 
-cmake_policy(SET CMP0022 NEW)
-
-cmake_policy(SET CMP0048 NEW)
-
 # CMake 3.1 and higher include generator expressions of the form
 # $<TARGETLIB:obj> in the SOURCES property.  These need to be
 # stripped everywhere that access the SOURCES property, so we just
@@ -13,10 +9,6 @@
 # in the output for now.
 cmake_policy(SET CMP0051 OLD)
 
-cmake_policy(SET CMP0056 NEW)
-
-cmake_policy(SET CMP0057 NEW)
-
 if(POLICY CMP0068)
   cmake_policy(SET CMP0068 NEW)
   set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)