diff --git a/pgxpool/pool_test.go b/pgxpool/pool_test.go
index 85f59256..4e19ee35 100644
--- a/pgxpool/pool_test.go
+++ b/pgxpool/pool_test.go
@@ -679,7 +679,7 @@ func TestTxBeginFuncNestedTransactionCommit(t *testing.T) {
 		drop table if exists pgxpooltx;
     create temporary table pgxpooltx(
       id integer,
-      unique (id) initially deferred
+      unique (id)
     );
   `
 
@@ -726,7 +726,7 @@ func TestTxBeginFuncNestedTransactionRollback(t *testing.T) {
 		drop table if exists pgxpooltx;
     create temporary table pgxpooltx(
       id integer,
-      unique (id) initially deferred
+      unique (id)
     );
   `
 
diff --git a/tx_test.go b/tx_test.go
index efcbe8bd..2df01e73 100644
--- a/tx_test.go
+++ b/tx_test.go
@@ -308,7 +308,7 @@ func TestBeginFunc(t *testing.T) {
 	createSql := `
     create temporary table foo(
       id integer,
-      unique (id) initially deferred
+      unique (id)
     );
   `
 
@@ -337,7 +337,7 @@ func TestBeginFuncRollbackOnError(t *testing.T) {
 	createSql := `
     create temporary table foo(
       id integer,
-      unique (id) initially deferred
+      unique (id)
     );
   `
 
@@ -518,7 +518,7 @@ func TestTxBeginFuncNestedTransactionCommit(t *testing.T) {
 	createSql := `
     create temporary table foo(
       id integer,
-      unique (id) initially deferred
+      unique (id)
     );
   `
 
@@ -561,7 +561,7 @@ func TestTxBeginFuncNestedTransactionRollback(t *testing.T) {
 	createSql := `
     create temporary table foo(
       id integer,
-      unique (id) initially deferred
+      unique (id)
     );
   `