diff --git a/make/lib/CoreLibraries.gmk b/make/lib/CoreLibraries.gmk
index ee52f93991a51a00bd96ec5e4ef8e866f34ed49f..226e2089244bfddc65f677829b2e6c541af880f3 100644
--- a/make/lib/CoreLibraries.gmk
+++ b/make/lib/CoreLibraries.gmk
@@ -148,6 +148,7 @@ $(eval $(call SetupJdkLibrary, BUILD_LIBZIP, \
     CFLAGS := $(CFLAGS_JDKLIB) \
         $(LIBZ_CFLAGS), \
     CFLAGS_unix := $(BUILD_LIBZIP_MMAP) -UDEBUG, \
+    DISABLED_WARNINGS_gcc := unused-function implicit-fallthrough, \
     LDFLAGS := $(LDFLAGS_JDKLIB) \
         $(call SET_SHARED_LIBRARY_ORIGIN), \
     LIBS_unix := -ljvm -ljava $(LIBZ_LIBS), \
@@ -238,6 +239,7 @@ $(eval $(call SetupJdkLibrary, BUILD_LIBJLI, \
     EXTRA_FILES := $(LIBJLI_EXTRA_FILES), \
     OPTIMIZATION := HIGH, \
     CFLAGS := $(CFLAGS_JDKLIB) $(LIBJLI_CFLAGS), \
+    DISABLED_WARNINGS_gcc := unused-function implicit-fallthrough, \
     DISABLED_WARNINGS_solstudio := \
         E_ASM_DISABLES_OPTIMIZATION \
         E_STATEMENT_NOT_REACHED, \