diff --git a/llvm/include/llvm/Transforms/InstCombine/InstCombine.h b/llvm/include/llvm/Transforms/InstCombine/InstCombine.h
--- a/llvm/include/llvm/Transforms/InstCombine/InstCombine.h
+++ b/llvm/include/llvm/Transforms/InstCombine/InstCombine.h
@@ -63,13 +63,11 @@
 /// will try to combine all instructions in the function.
 class InstructionCombiningPass : public FunctionPass {
   InstructionWorklist Worklist;
-  const unsigned MaxIterations;
 
 public:
   static char ID; // Pass identification, replacement for typeid
 
   explicit InstructionCombiningPass();
-  explicit InstructionCombiningPass(unsigned MaxIterations);
 
   void getAnalysisUsage(AnalysisUsage &AU) const override;
   bool runOnFunction(Function &F) override;
@@ -88,7 +86,6 @@
 //    %Z = add int 2, %X
 //
 FunctionPass *createInstructionCombiningPass();
-FunctionPass *createInstructionCombiningPass(unsigned MaxIterations);
 }
 
 #undef DEBUG_TYPE
diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
--- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
@@ -4161,18 +4161,13 @@
       nullptr;
 
   return combineInstructionsOverFunction(F, Worklist, AA, AC, TLI, TTI, DT, ORE,
-                                         BFI, PSI, MaxIterations, LI);
+                                         BFI, PSI,
+                                         InstCombineDefaultMaxIterations, LI);
 }
 
 char InstructionCombiningPass::ID = 0;
 
-InstructionCombiningPass::InstructionCombiningPass()
-    : FunctionPass(ID), MaxIterations(InstCombineDefaultMaxIterations) {
-  initializeInstructionCombiningPassPass(*PassRegistry::getPassRegistry());
-}
-
-InstructionCombiningPass::InstructionCombiningPass(unsigned MaxIterations)
-    : FunctionPass(ID), MaxIterations(MaxIterations) {
+InstructionCombiningPass::InstructionCombiningPass() : FunctionPass(ID) {
   initializeInstructionCombiningPassPass(*PassRegistry::getPassRegistry());
 }
 
@@ -4198,7 +4193,3 @@
 FunctionPass *llvm::createInstructionCombiningPass() {
   return new InstructionCombiningPass();
 }
-
-FunctionPass *llvm::createInstructionCombiningPass(unsigned MaxIterations) {
-  return new InstructionCombiningPass(MaxIterations);
-}