diff --git a/tests/unit/check_bitset.c b/tests/unit/check_bitset.c
index 7cb3e57..e3401d3 100644
--- a/tests/unit/check_bitset.c
+++ b/tests/unit/check_bitset.c
@@ -156,13 +156,13 @@ START_TEST( test_bitset_set )
 	assert_bitset_is( map, 0x0000000000000000 );
 	bitset_set( map );
 	assert_bitset_is( map, 0xffffffffffffffff );
-	free( map );
+	bitset_free( map );
 
 	map = bitset_alloc( 6400, 100 );
 	assert_bitset_is( map, 0x0000000000000000 );
 	bitset_set( map );
 	assert_bitset_is( map, 0xffffffffffffffff );
-	free( map );
+	bitset_free( map );
 
 	// Now do something large and representative
 	map = bitset_alloc( 53687091200, 4096 );
@@ -170,6 +170,7 @@ START_TEST( test_bitset_set )
 
 	run = bitset_run_count( map, 0, 53687091200 );
 	ck_assert_int_eq( run, 53687091200 );
+	bitset_free( map );
 
 
 }
@@ -190,7 +191,7 @@ START_TEST( test_bitset_clear )
 	bitset_clear( map );
 	ck_assert_int_eq( 0x0000000000000000, *num );
 
-	free( map );
+	bitset_free( map );
 
 	// Now do something large and representative
 	map = bitset_alloc( 53687091200, 4096 );
@@ -198,6 +199,7 @@ START_TEST( test_bitset_clear )
 	bitset_clear( map );
 	run = bitset_run_count( map, 0, 53687091200 );
 	ck_assert_int_eq( run, 53687091200 );
+	bitset_free( map );
 }
 END_TEST
 
@@ -214,7 +216,7 @@ START_TEST( test_bitset_set_range )
 	bitset_set_range( map, 0, 0 );
 	assert_bitset_is( map, 0x0000000000000000 );
 
-	free( map );
+	bitset_free( map );
 }
 END_TEST
 
@@ -232,7 +234,7 @@ START_TEST( test_bitset_clear_range )
 	bitset_clear_range( map, 0, 0 );
 	assert_bitset_is( map, 0xffffffffffffffff );
 
-	free( map );
+	bitset_free( map );
 }
 END_TEST
 
@@ -270,7 +272,7 @@ START_TEST( test_bitset_run_count )
 	run = bitset_run_count( map, 32, 16 );
 	ck_assert_int_eq( 16, run );
 
-	free( map );
+	bitset_free( map );
 
 	map = bitset_alloc( 6400, 100 );
 	assert_bitset_is( map, 0x0000000000000000 );
@@ -291,7 +293,7 @@ START_TEST( test_bitset_run_count )
 
 	run = bitset_run_count( map, 6500, 6400 );
 	ck_assert_int_eq( 0, run );
-	free( map );
+	bitset_free( map );
 
 	// Now do something large and representative
 	map = bitset_alloc( 53687091200, 4096 );
@@ -299,7 +301,7 @@ START_TEST( test_bitset_run_count )
 	run = bitset_run_count( map, 0, 53687091200 );
 	ck_assert_int_eq( run, 53687091200 );
 
-	free( map );
+	bitset_free( map );
 
 }
 END_TEST