diff --git a/llvm/include/llvm/IR/Operator.h b/llvm/include/llvm/IR/Operator.h
index fda26891acfa7..f63f54ef94107 100644
--- a/llvm/include/llvm/IR/Operator.h
+++ b/llvm/include/llvm/IR/Operator.h
@@ -330,8 +330,6 @@ class FPMathOperator : public Operator {
     unsigned Opcode;
     if (auto *I = dyn_cast<Instruction>(V))
       Opcode = I->getOpcode();
-    else if (auto *CE = dyn_cast<ConstantExpr>(V))
-      Opcode = CE->getOpcode();
     else
       return false;