--- CMakeLists.txt	2023-07-10 00:24:34.000000000 +0800
+++ CMakeLists.txt	2024-06-23 23:05:11.000000000 +0800
@@ -127,7 +127,6 @@
 if (NOT ("all" IN_LIST VALA_WARN OR "qualifier" IN_LIST VALA_WARN))
     AddCFlagIfSupported(VALA_CFLAGS -Wno-discarded-qualifiers)
     AddCFlagIfSupported(VALA_CFLAGS -Wno-discarded-array-qualifiers)
-    AddCFlagIfSupported(VALA_CFLAGS -Wno-incompatible-pointer-types-discards-qualifiers)
 endif ()
 
 if (NOT ("all" IN_LIST VALA_WARN OR "deprecated" IN_LIST VALA_WARN))