diff --git a/src/test/regress/bin/normalize.sed b/src/test/regress/bin/normalize.sed
index 4d5a5f611..80dfe2122 100644
--- a/src/test/regress/bin/normalize.sed
+++ b/src/test/regress/bin/normalize.sed
@@ -86,6 +86,16 @@ s/_ref_id_id_fkey_/_ref_id_fkey_/g
 s/fk_test_2_col1_col2_fkey/fk_test_2_col1_fkey/g
 s/_id_other_column_ref_fkey/_id_fkey/g
 
+# pg13 changes
+s/of relation ".*" violates not-null constraint/violates not-null constraint/g
+s/varnosyn/varnoold/g
+s/varattnosyn/varoattno/g
+/DEBUG:  index ".*" can safely use deduplication.*$/d
+/DEBUG:  index ".*" cannot use deduplication.*$/d
+/DEBUG:  building index ".*" on table ".*" serially.*$/d
+
+
+
 # intermediate_results
 s/(ERROR.*)pgsql_job_cache\/([0-9]+_[0-9]+_[0-9]+)\/(.*).data/\1pgsql_job_cache\/xx_x_xxx\/\3.data/g
 
diff --git a/src/test/regress/expected/local_shard_copy.out b/src/test/regress/expected/local_shard_copy.out
index 92c3f8ee8..8fdba05df 100644
--- a/src/test/regress/expected/local_shard_copy.out
+++ b/src/test/regress/expected/local_shard_copy.out
@@ -14,7 +14,6 @@ SET citus.shard_replication_factor TO 1;
 SET citus.replication_model TO 'streaming';
 CREATE TABLE reference_table (key int PRIMARY KEY);
 DEBUG:  CREATE TABLE / PRIMARY KEY will create implicit index "reference_table_pkey" for table "reference_table"
-DEBUG:  building index "reference_table_pkey" on table "reference_table" serially
 SELECT create_reference_table('reference_table');
  create_reference_table
 ---------------------------------------------------------------------
@@ -23,7 +22,6 @@ SELECT create_reference_table('reference_table');
 
 CREATE TABLE distributed_table (key int PRIMARY KEY, age bigint CHECK (age >= 10));
 DEBUG:  CREATE TABLE / PRIMARY KEY will create implicit index "distributed_table_pkey" for table "distributed_table"
-DEBUG:  building index "distributed_table_pkey" on table "distributed_table" serially
 SELECT create_distributed_table('distributed_table','key');
  create_distributed_table
 ---------------------------------------------------------------------
@@ -38,7 +36,6 @@ DEBUG:  distributed INSERT ... SELECT can only select from distributed tables
 DEBUG:  Collecting INSERT ... SELECT results on coordinator
 CREATE TABLE local_table (key int PRIMARY KEY);
 DEBUG:  CREATE TABLE / PRIMARY KEY will create implicit index "local_table_pkey" for table "local_table"
-DEBUG:  building index "local_table_pkey" on table "local_table" serially
 INSERT INTO local_table SELECT * from generate_series(1, 10);
 -- partitioned table
 CREATE TABLE collections_list (