diff --git config/rules.mk config/rules.mk
index 1dee8c3..4d67eda 100644
--- mozilla/config/rules.mk
+++ mozilla/config/rules.mk
@@ -822,6 +822,7 @@ endif
 ifdef DTRACE_PROBE_OBJ
 EXTRA_DEPS += $(DTRACE_PROBE_OBJ)
 OBJS += $(DTRACE_PROBE_OBJ)
+EXCLUDED_OBJS += $(DTRACE_PROBE_OBJ)
 endif
 
 $(filter %.$(LIB_SUFFIX),$(LIBRARY)): $(OBJS) $(EXTRA_DEPS) $(GLOBAL_DEPS)