diff --git a/master/custom/factories.py b/master/custom/factories.py
index 86433c8d7..497fdd84c 100644
--- a/master/custom/factories.py
+++ b/master/custom/factories.py
@@ -236,9 +236,6 @@ class UnixAsanBuild(UnixBuild):
     # SIGSEGV is ignored on purpose.
     compile_environ = {'ASAN_OPTIONS': 'detect_leaks=0:allocator_may_return_null=1:handle_segv=0'}
     test_environ = {'ASAN_OPTIONS': 'detect_leaks=0:allocator_may_return_null=1:handle_segv=0'}
-    # These tests are currently raising false positives or are interfering with the ASAN mechanism,
-    # so we need to skip them unfortunately.
-    testFlags = ("-j1 -x test_ctypes test_capi test_crypt test_decimal test_faulthandler test_interpreters")
     # Sometimes test_multiprocessing_fork times out after 15 minutes
     test_timeout = TEST_TIMEOUT * 2
 
@@ -311,10 +308,6 @@ class ClangUbsanLinuxBuild(UnixBuild):
     ]
     factory_tags = ["clang", "ubsan", "sanitizer"]
 
-    # These tests are currently raising false positives or are interfering with the USAN mechanism,
-    # so we need to skip them unfortunately.
-    testFlags = "-j1 -x test_faulthandler test_hashlib test_concurrent_futures test_ctypes"
-
 
 class ClangUnixInstalledBuild(UnixInstalledBuild):
     buildersuffix = ".clang-installed"