diff --git a/src/test/regress/isolation_schedule b/src/test/regress/isolation_schedule
index 488e4f79a..bc92fad60 100644
--- a/src/test/regress/isolation_schedule
+++ b/src/test/regress/isolation_schedule
@@ -1,10 +1,3 @@
-test: isolation_add_node_vs_reference_table_operations
-
-# tests that change node metadata should precede 
-# isolation_cluster_management such that tests 
-# that come later can be parallelized
 test: isolation_cluster_management
-
-test: isolation_dml_vs_repair isolation_copy_placement_vs_copy_placement isolation_cancellation
-test: isolation_concurrent_dml isolation_data_migration
-test: isolation_drop_shards isolation_copy_placement_vs_modification 
+test: isolation_concurrent_dml
+test: isolation_cancellation