diff --git a/make/hotspot/lib/JvmOverrideFiles.gmk b/make/hotspot/lib/JvmOverrideFiles.gmk
index 4a89cd15157..677ec0a62e7 100644
--- a/make/hotspot/lib/JvmOverrideFiles.gmk
+++ b/make/hotspot/lib/JvmOverrideFiles.gmk
@@ -92,9 +92,6 @@ else ifeq ($(call isTargetOs, macosx), true)
     # NOTE: The old build tested clang version to make sure this workaround
     # for the clang bug was still needed.
     BUILD_LIBJVM_loopTransform.cpp_CXXFLAGS := $(CXX_O_FLAG_NONE)
-    ifneq ($(DEBUG_LEVEL), slowdebug)
-      BUILD_LIBJVM_unsafe.cpp_CXXFLAGS := -O1
-    endif
 
     # The following files are compiled at various optimization
     # levels due to optimization issues encountered at the
@@ -110,7 +107,6 @@ else ifeq ($(call isTargetOs, macosx), true)
         sharedRuntimeTrig.cpp \
         sharedRuntimeTrans.cpp \
         loopTransform.cpp \
-        unsafe.cpp \
         jvmciCompilerToVM.cpp \
         $(OPT_SPEED_SRC) \
         #