diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 76e86cf63633..f6005aa8e87c 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -33181,8 +33181,7 @@ static SDValue combineANDXORWithAllOnesIntoANDNP(SDNode *N, SelectionDAG &DAG) {
 // Even with AVX-512 this is still useful for removing casts around logical
 // operations on vXi1 mask types.
 static SDValue WidenMaskArithmetic(SDNode *N, SelectionDAG &DAG,
-                                 TargetLowering::DAGCombinerInfo &DCI,
-                                 const X86Subtarget &Subtarget) {
+                                   const X86Subtarget &Subtarget) {
   EVT VT = N->getValueType(0);
   assert(VT.isVector() && "Expected vector type");
 
@@ -36191,7 +36190,7 @@ static SDValue combineSext(SDNode *N, SelectionDAG &DAG,
     return V;
 
   if (VT.isVector())
-    if (SDValue R = WidenMaskArithmetic(N, DAG, DCI, Subtarget))
+    if (SDValue R = WidenMaskArithmetic(N, DAG, Subtarget))
       return R;
 
   if (SDValue NewAdd = promoteExtBeforeAdd(N, DAG, Subtarget))
@@ -36387,7 +36386,7 @@ static SDValue combineZext(SDNode *N, SelectionDAG &DAG,
     return V;
 
   if (VT.isVector())
-    if (SDValue R = WidenMaskArithmetic(N, DAG, DCI, Subtarget))
+    if (SDValue R = WidenMaskArithmetic(N, DAG, Subtarget))
       return R;
 
   if (SDValue DivRem8 = getDivRem8(N, DAG))