diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 539d2f25a0cf25..de4f4f037360b4 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -17286,8 +17286,7 @@ static SDValue lowerShuffleAsRepeatedMaskAndLanePermute(
     return SDValue();
 
   // Bail if we already have a repeated lane shuffle mask.
-  SmallVector<int, 8> RepeatedShuffleMask;
-  if (is128BitLaneRepeatedShuffleMask(VT, Mask, RepeatedShuffleMask))
+  if (is128BitLaneRepeatedShuffleMask(VT, Mask))
     return SDValue();
 
   // On AVX2 targets we can permute 256-bit vectors as 64-bit sub-lanes