diff --git a/src/systemc/tests/working.filt b/src/systemc/tests/working.filt
index 49ab3aa..999a3da 100644
--- a/src/systemc/tests/working.filt
+++ b/src/systemc/tests/working.filt
@@ -15,6 +15,10 @@
 
 
 path in (
+    # Fails with undiagnosed output differences.
+    "tlm/bus",
+    "tlm/bus_dmi",
+
     # Uses sc_elab_and_sim.
     "systemc/kernel/sc_main_main",