diff --git a/tests/Makefile.am b/tests/Makefile.am
index 149b2b971a5a87b0913f5510ba22955d8da6f723..64eaee03c130607b1c39a91281b4085b0415a44a 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -11,9 +11,11 @@ TESTS = cksum_verify \
 	pio_cksum_mpi_fw_at_all \
 	pio_cksum_mpi_fw_at_reblock \
 	test_resource_copy_run pio_write_deco2d_run \
-	test_f2003 test_cdf_transformation test_cdf_const \
+	test_f2003 test_cdf_transformation \
 	test_table_run test_byteswap_run
 
+#test_cdf_const: deactivated (depends on app/cdi)
+
 check_PROGRAMS = cksum_verify test_grib cksum_write cksum_read pio_write \
 	test_resource_copy cksum_write_chunk pio_write_deco2d test_table \
 	test_byteswap