Index: trunk/src_plugins/io_kicad/read.c
===================================================================
--- trunk/src_plugins/io_kicad/read.c	(revision 27787)
+++ trunk/src_plugins/io_kicad/read.c	(revision 27788)
@@ -2231,9 +2231,7 @@
 			PARSE_COORD(mask, m, m->children, "module pad mask margin");
 		}
 		else if (strcmp("solder_mask_margin_ratio", m->str) == 0) {
-			SEEN_NO_DUP(feature_tally, 10);
-			TODO("CUCP#56");
-			kicad_warning(m, "Ignoring pad %s for now", m->str);
+			/* This feature doesn't seem to exist in kicad 4 or 5 sources, ignore it */
 		}
 		else if (strcmp("solder_paste_margin", m->str) == 0) {
 			SEEN_NO_DUP(feature_tally, 6);