diff --git a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
index eca9b1e75c2ac1..8f88198203d745 100644
--- a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
@@ -452,9 +452,6 @@ bool AArch64FrameLowering::shouldCombineCSRLocalStackBump(
   const AArch64Subtarget &Subtarget = MF.getSubtarget<AArch64Subtarget>();
   const AArch64RegisterInfo *RegInfo = Subtarget.getRegisterInfo();
 
-  if (MF.getFunction().hasOptSize())
-    return false;
-
   if (AFI->getLocalStackSize() == 0)
     return false;
 
diff --git a/llvm/test/CodeGen/AArch64/arm64-never-combine-csr-local-stack-bump-for-size.ll b/llvm/test/CodeGen/AArch64/arm64-never-combine-csr-local-stack-bump-for-size.ll
deleted file mode 100644
index 273fb31e16c3b5..00000000000000
--- a/llvm/test/CodeGen/AArch64/arm64-never-combine-csr-local-stack-bump-for-size.ll
+++ /dev/null
@@ -1,25 +0,0 @@
-; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -disable-post-ra | FileCheck %s
-
-; CHECK-LABEL: main:
-; CHECK:       stp     x29, x30, [sp, #-16]!
-; CHECK-NEXT:  stp     xzr, xzr, [sp, #-16]!
-; CHECK:       adrp    x0, l_.str@PAGE
-; CHECK:       add     x0, x0, l_.str@PAGEOFF
-; CHECK-NEXT:  bl      _puts
-; CHECK-NEXT:   add     sp, sp, #16
-; CHECK-NEXT:	ldp	x29, x30, [sp], #16
-; CHECK-NEXT:	ret
-
-@.str = private unnamed_addr constant [7 x i8] c"hello\0A\00"
-
-define i32 @main() nounwind ssp optsize {
-entry:
-  %local1 = alloca i64, align 8
-  %local2 = alloca i64, align 8
-  store i64 0, i64* %local1
-  store i64 0, i64* %local2
-  %call = call i32 @puts(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i32 0, i32 0))
-  ret i32 %call
-}
-
-declare i32 @puts(i8*)