diff --git a/src/tests/Makefile.am b/src/tests/Makefile.am
index 7262d27..bcf4a46 100644
--- a/src/tests/Makefile.am
+++ b/src/tests/Makefile.am
@@ -19,7 +19,7 @@
 test_ranap_SOURCES = $(RANAP_FILES) test-ranap.c test_common.c
 test_ranap_LDADD = $(COMMON_LIBS) $(top_builddir)/src/libosmo-ranap.la
 
-dummy_cn_SOURCES = $(RANAP_FILES) test_common.c dummy_cn_sua.c ranap_common_cn.c
+dummy_cn_SOURCES = $(RANAP_FILES) test_common.c dummy_cn_sua.c
 dummy_cn_LDADD = $(COMMON_LIBS) $(top_builddir)/src/libosmo-ranap.la
 
 # The `:;' works around a Bash 3.2 bug when the output is not writeable.