--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -151,7 +151,6 @@ if (NEED_PTHREAD)
 endif()
 
 # Create library targets.
-cmake_policy(SET CMP0042 OLD)
 set(LIB_TARGETS)
 
 # Use RTMIDI_BUILD_SHARED_LIBS / RTMIDI_BUILD_STATIC_LIBS if they