diff --git a/cli/cmdlineparser.cpp b/cli/cmdlineparser.cpp
index 30885fee1be..6b9eaac0b6c 100644
--- a/cli/cmdlineparser.cpp
+++ b/cli/cmdlineparser.cpp
@@ -1257,7 +1257,6 @@ CmdLineParser::Result CmdLineParser::parseFromArgs(int argc, const char* const a
             // --std
             else if (std::strncmp(argv[i], "--std=", 6) == 0) {
                 const std::string std = argv[i] + 6;
-                // TODO: print error when standard is unknown
                 if (std::strncmp(std.c_str(), "c++", 3) == 0) {
                     const Standards::cppstd_t cppstd = Standards::getCPP(std);
                     if (cppstd == Standards::CPPInvalid) {
diff --git a/test/testcmdlineparser.cpp b/test/testcmdlineparser.cpp
index 46425aa161f..b7c46dd5a6f 100644
--- a/test/testcmdlineparser.cpp
+++ b/test/testcmdlineparser.cpp
@@ -1369,8 +1369,8 @@ class TestCmdlineParser : public TestFixture {
     void stdunknown2() {
         REDIRECT;
         const char *const argv[] = {"cppcheck", "--std=cplusplus11", "file.cpp"};
-        TODO_ASSERT_EQUALS(static_cast<int>(CmdLineParser::Result::Fail), static_cast<int>(CmdLineParser::Result::Success), static_cast<int>(parser->parseFromArgs(3, argv)));
-        TODO_ASSERT_EQUALS("cppcheck: error: unknown --std value 'cplusplus11'\n", "", logger->str());
+        ASSERT_EQUALS(static_cast<int>(CmdLineParser::Result::Fail), static_cast<int>(parser->parseFromArgs(3, argv)));
+        ASSERT_EQUALS("cppcheck: error: unknown --std value 'cplusplus11'\n", logger->str());
     }
 
     void platformWin64() {