diff --git a/llvm/include/llvm/AsmParser/Parser.h b/llvm/include/llvm/AsmParser/Parser.h
index 3547f800370400..e1c7f746a3355f 100644
--- a/llvm/include/llvm/AsmParser/Parser.h
+++ b/llvm/include/llvm/AsmParser/Parser.h
@@ -121,7 +121,6 @@ std::unique_ptr<Module> parseAssembly(
 /// \param Err Error result info.
 /// \param Slots The optional slot mapping that will be initialized during
 ///              parsing.
-/// \param DataLayoutCallback Override datalayout in the llvm assembly.
 ///
 /// parseAssemblyFileWithIndex is a wrapper around this function.
 ParsedModuleAndIndex parseAssemblyWithIndex(MemoryBufferRef F,