diff --git a/core/clang/arm.mk b/core/clang/arm.mk
index 22c73977a6..f979409f00 100644
--- a/core/clang/arm.mk
+++ b/core/clang/arm.mk
@@ -19,9 +19,15 @@ CLANG_CONFIG_arm_UNKNOWN_CFLAGS := \
   -fgcse-after-reload \
   -frerun-cse-after-loop \
   -frename-registers \
-  -fno-builtin-sin \
-  -fno-strict-volatile-bitfields \
   -fno-align-jumps \
+  -fno-builtin-sin \
+  -fno-caller-saves \
+  -fno-early-inlining \
+  -fno-move-loop-invariants \
+  -fno-partial-inlining \
+  -fno-strict-volatile-bitfields \
+  -fno-tree-copy-prop \
+  -fno-tree-loop-optimize \
   -Wa,--noexecstack
 
 define subst-clang-incompatible-arm-flags