--- a/make/common/FindTests.gmk	Thu Jan 24 11:15:31 2019 +0100
+++ b/make/common/FindTests.gmk	Thu Jan 24 11:19:40 2019 +0100
@@ -68,7 +68,6 @@
 # Add Jtreg test groups to list of named tests (test groups, test list, etc)
 # ALL_NAMED_TESTS might have been set by a custom extension
 ALL_NAMED_TESTS += $(JTREG_TEST_GROUPS)
-JCOV_NAMED_TESTS += $(JTREG_TEST_GROUPS)
 
 # Add Gtest
 ALL_NAMED_TESTS += gtest