diff --git a/__make.d__/test.mk b/__make.d__/test.mk
index 44b40f1..9f354de 100644
--- a/__make.d__/test.mk
+++ b/__make.d__/test.mk
@@ -8,6 +8,9 @@ release:
 	cp -v $(OUTDIR)/testrun.json ../smart_brain/_testresults_
 	cp -v $(OUTDIR)/coverage.xml ../smart_brain/_testresults_
 
+clean_coverage:
+	rm -v testresults/coverage.xml
+
 single: test_single pdf view clean
 	@echo FINISHED...
 
@@ -17,7 +20,7 @@ smoke: test_smoke pdf view clean
 short: test_short pdf view clean
 	@echo FINISHED...
 
-full: test_full pdf view clean
+full: clean_coverage test_full pdf view clean
 	@echo FINISHED...
 
 test_single:
diff --git a/smart_brain_test.py b/smart_brain_test.py
index c15eccc..f4d7e07 100644
--- a/smart_brain_test.py
+++ b/smart_brain_test.py
@@ -54,7 +54,9 @@ if __name__ == "__main__":
     #
     # Testsuite
     #
-    ts = tests.help.testSession(mc, tcel=tcel.get(args.level))
+    test_level = tcel.get(args.level)
+    add_coverage = test_level == report.TCEL_FULL
+    ts = tests.help.testSession(mc, tcel=test_level)
     # Add and run tests
     tests.add_all_testcases(ts, mc, h)
 
@@ -65,10 +67,11 @@ if __name__ == "__main__":
     #
     # Stop smart_brain execution
     mc.send(STOP_EXECUTION_TOPIC, json.dumps(True))
-    time.sleep(2)   # give smart_brain time to create coverage xml file
+    if add_coverage:
+        time.sleep(2)   # give smart_brain time to create coverage xml file
     #
     coverage_file = os.path.join(BASEPATH, "testresults", "coverage.xml")
-    if os.path.exists(coverage_file):
+    if os.path.exists(coverage_file) and add_coverage:
         ts.full_test_data[unittest.jsonlog.MAIN_KEY_COVERAGE_INFO] = unittest.run.coverage_info(coverage_file, None)
 
     #