Index: trunk/pstamp/src/ppstampMakeStamp.c
===================================================================
--- trunk/pstamp/src/ppstampMakeStamp.c	(revision 20148)
+++ trunk/pstamp/src/ppstampMakeStamp.c	(revision 20757)
@@ -30,14 +30,4 @@
 
     outChip->fromFPA = psPlaneTransformInvert(NULL, outChip->toFPA, *roi, 50);
-
-    // remove these keys which may have been copied from the input header
-    // XXX pmAstromWriteWCS should do this since it's the one that's inserting
-    // the PC00* style keywords
-    if (psMetadataLookup(outHDU->header, "CD1_1")) {
-        psMetadataRemoveKey(outHDU->header, "CD1_1");
-        psMetadataRemoveKey(outHDU->header, "CD1_2");
-        psMetadataRemoveKey(outHDU->header, "CD2_1");
-        psMetadataRemoveKey(outHDU->header, "CD2_2");
-    }
 
     if (!pmAstromWriteWCS(outHDU->header, outFPA, outChip, WCS_NONLIN_TOL)) {