diff --git a/fdelmodc/Makefile b/fdelmodc/Makefile
index 382ff1b32da92439f36eea308fd4a7d1922e0622..326c7b91cf8c91ed8e39250d022a444ffb16aed1 100644
--- a/fdelmodc/Makefile
+++ b/fdelmodc/Makefile
@@ -23,7 +23,6 @@ SRCC	= $(PRG).c \
 		acoustic4.c \
 		acousticSH4.c \
 		acoustic4_qr.c \
-		acoustic4_test.c \
 		acoustic6.c \
 		viscoacoustic4.c \
 		elastic4.c \
diff --git a/fdelmodc/fdelmodc.c b/fdelmodc/fdelmodc.c
index 0c494e34ae0de35a23f81f01e4b69ecb486f14d5..7ef08bf697c76a0b716d29b2d6a01aff18bee4b8 100644
--- a/fdelmodc/fdelmodc.c
+++ b/fdelmodc/fdelmodc.c
@@ -498,10 +498,10 @@ private (tt, t2, t3) \
 shared (shot, bnd, mod, src, wav, rec, ixsrc, izsrc, it, src_nwav, verbose)
 {
 			switch ( mod.ischeme ) {
-				case -2 : /* test code for PML */
-					acoustic4_test(mod, src, wav, bnd, it, ixsrc, izsrc, src_nwav, 
-						vx, vz, tzz, rox, roz, l2m, verbose);
-					break;
+//				case -2 : /* test code for PML */
+//					acoustic4_test(mod, src, wav, bnd, it, ixsrc, izsrc, src_nwav, 
+//						vx, vz, tzz, rox, roz, l2m, verbose);
+//					break;
 				case -1 : /* Acoustic dissipative media FD kernel */
 					acoustic4_qr(mod, src, wav, bnd, it, ixsrc, izsrc, src_nwav, 
 						vx, vz, tzz, rox, roz, l2m, verbose);
diff --git a/utils/demo/Marchenko.tgz b/utils/demo/Marchenko.tgz
deleted file mode 100644
index 9095584c1e7b326f3d705ecf02a3b7ea1b49de89..0000000000000000000000000000000000000000
Binary files a/utils/demo/Marchenko.tgz and /dev/null differ