diff --git a/dtool/LocalSetup.cmake b/dtool/LocalSetup.cmake
index 609d4174ab..0dadc4c5c3 100644
--- a/dtool/LocalSetup.cmake
+++ b/dtool/LocalSetup.cmake
@@ -120,7 +120,6 @@ check_include_file_cxx(locale.h PHAVE_LOCALE_H)
 check_include_file_cxx(string.h PHAVE_STRING_H)
 check_include_file_cxx(stdlib.h PHAVE_STDLIB_H)
 check_include_file_cxx(limits.h PHAVE_LIMITS_H)
-check_include_file_cxx(minmax.h PHAVE_MINMAX_H)
 check_include_file_cxx(sstream PHAVE_SSTREAM)
 check_include_file_cxx(new PHAVE_NEW)
 check_include_file_cxx(sys/types.h PHAVE_SYS_TYPES_H)