diff --git a/llvm/lib/Transforms/Utils/IRCanonicalizer.cpp b/llvm/lib/Transforms/Utils/IRCanonicalizer.cpp
diff --git a/llvm/lib/Transforms/Utils/Utils.cpp b/llvm/lib/Transforms/Utils/Utils.cpp
@@ -29,7 +29,6 @@ void llvm::initializeTransformUtils(PassRegistry &Registry) {
   initializeCanonicalizeAliasesLegacyPassPass(Registry);
   initializeCanonicalizeFreezeInLoopsPass(Registry);
   initializeInstNamerPass(Registry);
-  initializeIRCanonicalizerPass(Registry);
   initializeLCSSAWrapperPassPass(Registry);
   initializeLibCallsShrinkWrapLegacyPassPass(Registry);
   initializeLoopSimplifyPass(Registry);

diff --git a/llvm/test/Transforms/IRCanonicalizer/naming-arguments.ll b/llvm/test/Transforms/IRCanonicalizer/naming-arguments.ll
diff --git a/llvm/test/Transforms/IRCanonicalizer/naming-basic-blocks.ll b/llvm/test/Transforms/IRCanonicalizer/naming-basic-blocks.ll
diff --git a/llvm/test/Transforms/IRCanonicalizer/naming-instructions.ll b/llvm/test/Transforms/IRCanonicalizer/naming-instructions.ll
diff --git a/llvm/test/Transforms/IRCanonicalizer/reordering-instructions.ll b/llvm/test/Transforms/IRCanonicalizer/reordering-instructions.ll
diff --git a/llvm/test/Transforms/IRCanonicalizer/reordering-phi-node-values.ll b/llvm/test/Transforms/IRCanonicalizer/reordering-phi-node-values.ll