diff --git a/tests/cunit/Makefile.am b/tests/cunit/Makefile.am
index 6a8604f9c52..68e43ff45a7 100644
--- a/tests/cunit/Makefile.am
+++ b/tests/cunit/Makefile.am
@@ -23,18 +23,6 @@ test_async_multicomp test_async_multi2 test_async_manyproc
 # Tests will run from a bash script.
 TESTS = run_tests.sh
 
-# # The tests that will be run.
-# PIO_TESTS = test_async_mpi test_spmd test_intercomm2			\
-# test_async_simple test_async_3proc test_async_4proc			\
-# test_iosystem2_simple test_iosystem2_simple2 test_iosystem2		\
-# test_iosystem3_simple test_iosystem3_simple2 test_iosystem3 test_pioc	\
-# test_pioc_unlim test_pioc_putget test_pioc_fill test_darray		\
-# test_darray_multi test_darray_multivar test_darray_multivar2		\
-# test_darray_multivar3 test_darray_1d test_darray_3d			\
-# test_decomp_uneven test_decomps test_rearr test_darray_async_simple	\
-# test_darray_async test_darray_async_many test_darray_2sync		\
-# test_async_multicomp test_async_multi2 test_async_manyproc
-
 # Source code for each test.
 test_intercomm2_SOURCES = test_intercomm2.c test_common.c pio_tests.h
 test_async_simple_SOURCES = test_async_simple.c test_common.c pio_tests.h