diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp
index 9d31a87012419c..74a31c0a1b659a 100644
--- a/clang/lib/Sema/SemaTemplate.cpp
+++ b/clang/lib/Sema/SemaTemplate.cpp
@@ -7637,7 +7637,6 @@ static Expr *BuildExpressionFromNonTypeTemplateArgumentValue(
     auto *OVE = new (S.Context) OpaqueValueExpr(Loc, T, VK);
     return ConstantExpr::Create(S.Context, OVE, Val);
   }
-  llvm_unreachable("Unhandled APValue::ValueKind enum");
 }
 
 ExprResult
@@ -7667,7 +7666,6 @@ Sema::BuildExpressionFromNonTypeTemplateArgument(const TemplateArgument &Arg,
     return BuildExpressionFromNonTypeTemplateArgumentValue(
         *this, Arg.getUncommonValueType(), Arg.getAsUncommonValue(), Loc);
   }
-  llvm_unreachable("Unhandled TemplateArgument::ArgKind enum");
 }
 
 /// Match two template parameters within template parameter lists.