const string memory leaks?

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C++

So I'm finishing just finishing up a project, and right now I'm checking for memory leaks. To be honest, I haven't done a whole lot of this in the past, but this project is quite a bit larger and more important than anything I've done previously.

Anyway, my problem is that I have the following list of constants declared:

const string RES_START = "// INSERT RES TEST";
const string IR_START = "// INSERT IR TEST";
const string DI_START = "// INSERT DIELECTRIC TEST";
const string PART_PRETEST = "// INSERT PART PRETEST";
const string CABLE_PROMPT = "// INSERT CABLE PROMPT";
const string LUA_MKDIR = "// INSERT LUA MKDIR";
const string LUA_SERIAL = "// INSERT LUA SERIAL";
const string TESTS = "// INSERT TESTS";
const string PRINT_TESTS = "// INSERT TEST PRINT";
const string DATE_TAG = "// DATE";
const string AUTHOR = "// AUTHOR";

When I dump my memory leaks before my program exits, these all show up as leaks! I have some int constants as well that are NOT appearing as memory leaks. Is there something I should be doing different? Should I just not be making constants for strings?

Thanks in advance,
Pat