diff --git a/toolsrc/include/vcpkg_cmd_arguments.h b/toolsrc/include/vcpkg_cmd_arguments.h
index 58bc460984..91f7de8ac1 100644
--- a/toolsrc/include/vcpkg_cmd_arguments.h
+++ b/toolsrc/include/vcpkg_cmd_arguments.h
@@ -20,7 +20,6 @@ namespace vcpkg
 
         std::string command;
         std::vector<std::string> command_arguments;
-        void vcpkg_cmd_arguments::check_no_optional_command_arguments() const;
         std::unordered_set<std::string> check_and_get_optional_command_arguments(const std::vector<std::string>& valid_options) const;
 
         void check_max_arg_count(const size_t expected_arg_count) const;
diff --git a/toolsrc/src/vcpkg_cmd_arguments.cpp b/toolsrc/src/vcpkg_cmd_arguments.cpp
index 04c381c921..fdeb6e877a 100644
--- a/toolsrc/src/vcpkg_cmd_arguments.cpp
+++ b/toolsrc/src/vcpkg_cmd_arguments.cpp
@@ -135,11 +135,6 @@ namespace vcpkg
         return args;
     }
 
-    void vcpkg_cmd_arguments::check_no_optional_command_arguments() const
-    {
-        this->check_and_get_optional_command_arguments({});
-    }
-
     std::unordered_set<std::string> vcpkg_cmd_arguments::check_and_get_optional_command_arguments(const std::vector<std::string>& valid_options) const
     {
         std::unordered_set<std::string> output;