--- libpng-1.6.29.old/png.c
+++ libpng-1.6.29/png.c
@@ -2354,8 +2354,10 @@
                       * discourage their use, skip the 'have_md5' warning below,
                       * which is made irrelevant by this error.
                       */
+#ifdef NOTDEF
                      png_chunk_report(png_ptr, "known incorrect sRGB profile",
                          PNG_CHUNK_ERROR);
+#endif
                   }
 
                   /* Warn that this being done; this isn't even an error since