diff --git a/tests/libtest/Makefile.inc b/tests/libtest/Makefile.inc
index 57ce2392e..88dd68529 100644
--- a/tests/libtest/Makefile.inc
+++ b/tests/libtest/Makefile.inc
@@ -550,10 +550,6 @@ lib1540_SOURCES = lib1540.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
 lib1540_LDADD = $(TESTUTIL_LIBS)
 lib1540_CPPFLAGS = $(AM_CPPFLAGS)
 
-lib1541_SOURCES = lib1541.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
-lib1541_LDADD = $(TESTUTIL_LIBS)
-lib1541_CPPFLAGS = $(AM_CPPFLAGS)
-
 lib1550_SOURCES = lib1550.c $(SUPPORTFILES)
 lib1550_CPPFLAGS = $(AM_CPPFLAGS) -DLIB1517