Index: /trunk/ppStack/src/ppStackMatch.c
===================================================================
--- /trunk/ppStack/src/ppStackMatch.c	(revision 27331)
+++ /trunk/ppStack/src/ppStackMatch.c	(revision 27332)
@@ -153,13 +153,11 @@
     if (!psImageUnbin(unbinned, binned, binning)) {
         psError(PPSTACK_ERR_DATA, false, "Unable to unbin background model");
+        psFree(binned);
         psFree(unbinned);
         return NULL;
     }
-
-    // XXX should these really be here?? (probably not...)
-    // pmFPAfileDropInternal(config->files, "PSPHOT.BACKMDL");
-    // pmFPAfileDropInternal(config->files, "PSPHOT.BACKMDL.STDEV");
-
-     return unbinned;
+    psFree(binned);
+
+    return unbinned;
 }