diff --git a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
index e1a9e7515df04..6468e406c5277 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
+++ b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
@@ -182,11 +182,6 @@ class LLVM_LIBRARY_VISIBILITY InstCombinerImpl final
   bool replacedSelectWithOperand(SelectInst *SI, const ICmpInst *Icmp,
                                  const unsigned SIOpd);
 
-  /// Try to replace instruction \p I with value \p V which are pointers
-  /// in different address space.
-  /// \return true if successful.
-  bool replacePointer(Instruction &I, Value *V);
-
   LoadInst *combineLoadToNewType(LoadInst &LI, Type *NewTy,
                                  const Twine &Suffix = "");