diff --git a/examples/ondeck/postgresql/city.sql.go b/examples/ondeck/postgresql/city.sql.go
index 4a8c3a7ee2..5559bf5126 100644
--- a/examples/ondeck/postgresql/city.sql.go
+++ b/examples/ondeck/postgresql/city.sql.go
@@ -1,3 +1,5 @@
+//go:build examples
+
 // Code generated by sqlc. DO NOT EDIT.
 // versions:
 //   sqlc v1.31.1
diff --git a/examples/ondeck/postgresql/db.go b/examples/ondeck/postgresql/db.go
index a1b2416065..57103536c9 100644
--- a/examples/ondeck/postgresql/db.go
+++ b/examples/ondeck/postgresql/db.go
@@ -1,3 +1,5 @@
+//go:build examples
+
 // Code generated by sqlc. DO NOT EDIT.
 // versions:
 //   sqlc v1.31.1
diff --git a/examples/ondeck/postgresql/models.go b/examples/ondeck/postgresql/models.go
index 952799316f..fc861a336a 100644
--- a/examples/ondeck/postgresql/models.go
+++ b/examples/ondeck/postgresql/models.go
@@ -1,3 +1,5 @@
+//go:build examples
+
 // Code generated by sqlc. DO NOT EDIT.
 // versions:
 //   sqlc v1.31.1
diff --git a/examples/ondeck/postgresql/querier.go b/examples/ondeck/postgresql/querier.go
index 3a765cb48f..6b602d1c06 100644
--- a/examples/ondeck/postgresql/querier.go
+++ b/examples/ondeck/postgresql/querier.go
@@ -1,3 +1,5 @@
+//go:build examples
+
 // Code generated by sqlc. DO NOT EDIT.
 // versions:
 //   sqlc v1.31.1
diff --git a/examples/ondeck/postgresql/venue.sql.go b/examples/ondeck/postgresql/venue.sql.go
index e29064daa1..0bc6713692 100644
--- a/examples/ondeck/postgresql/venue.sql.go
+++ b/examples/ondeck/postgresql/venue.sql.go
@@ -1,3 +1,5 @@
+//go:build examples
+
 // Code generated by sqlc. DO NOT EDIT.
 // versions:
 //   sqlc v1.31.1
diff --git a/examples/ondeck/sqlc.json b/examples/ondeck/sqlc.json
index 7b97328b3f..35f6570f1f 100644
--- a/examples/ondeck/sqlc.json
+++ b/examples/ondeck/sqlc.json
@@ -20,6 +20,7 @@
       "rules": [
         "sqlc/db-prepare"
       ],
+      "build_tags": "examples",
       "emit_json_tags": true,
       "emit_prepared_queries": true,
       "emit_interface": true
diff --git a/internal/sqltest/mysql.go b/internal/sqltest/mysql.go
index bddfe0042c..cdeb8b8b7a 100644
--- a/internal/sqltest/mysql.go
+++ b/internal/sqltest/mysql.go
@@ -3,15 +3,31 @@ package sqltest
 import (
 	"database/sql"
 	"fmt"
+	"math/rand"
 	"os"
 	"path/filepath"
 	"testing"
+	"time"
 
 	_ "github.com/go-sql-driver/mysql"
 
 	"github.com/sqlc-dev/sqlc/internal/sql/sqlpath"
 )
 
+func init() {
+	rand.Seed(time.Now().UnixNano())
+}
+
+var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
+
+func id() string {
+	b := make([]rune, 10)
+	for i := range b {
+		b[i] = letterRunes[rand.Intn(len(letterRunes))]
+	}
+	return string(b)
+}
+
 func MySQL(t *testing.T, migrations []string) (*sql.DB, func()) {
 	// For each test, pick a new database name at random.
 	name := "sqltest_mysql_" + id()
diff --git a/internal/sqltest/postgres.go b/internal/sqltest/postgres.go
deleted file mode 100644
index edf6272d41..0000000000
--- a/internal/sqltest/postgres.go
+++ /dev/null
@@ -1,117 +0,0 @@
-package sqltest
-
-import (
-	"database/sql"
-	"fmt"
-	"math/rand"
-	"os"
-	"path/filepath"
-	"testing"
-	"time"
-
-	"github.com/sqlc-dev/sqlc/internal/sql/sqlpath"
-
-	_ "github.com/lib/pq"
-)
-
-func init() {
-	rand.Seed(time.Now().UnixNano())
-}
-
-var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
-
-func id() string {
-	b := make([]rune, 10)
-	for i := range b {
-		b[i] = letterRunes[rand.Intn(len(letterRunes))]
-	}
-	return string(b)
-}
-
-func PostgreSQL(t *testing.T, migrations []string) (*sql.DB, func()) {
-	t.Helper()
-
-	// For each test, pick a new schema name at random.
-	schema := "sqltest_postgresql_" + id()
-	return CreatePostgreSQLDatabase(t, schema, true, migrations)
-}
-
-func CreatePostgreSQLDatabase(t *testing.T, name string, schema bool, migrations []string) (*sql.DB, func()) {
-	t.Helper()
-
-	pgUser := os.Getenv("PG_USER")
-	pgHost := os.Getenv("PG_HOST")
-	pgPort := os.Getenv("PG_PORT")
-	pgPass := os.Getenv("PG_PASSWORD")
-	pgDB := os.Getenv("PG_DATABASE")
-
-	if pgUser == "" {
-		pgUser = "postgres"
-	}
-
-	if pgPass == "" {
-		pgPass = "mysecretpassword"
-	}
-
-	if pgPort == "" {
-		pgPort = "5432"
-	}
-
-	if pgHost == "" {
-		pgHost = "127.0.0.1"
-	}
-
-	if pgDB == "" {
-		pgDB = "dinotest"
-	}
-
-	source := fmt.Sprintf("postgres://%s:%s@%s:%s/%s?sslmode=disable", pgUser, pgPass, pgHost, pgPort, pgDB)
-	t.Logf("db: %s", source)
-
-	db, err := sql.Open("postgres", source)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	// For each test, pick a new schema name at random.
-	var newsource, dropQuery string
-	if schema {
-		if _, err := db.Exec("CREATE SCHEMA " + name); err != nil {
-			t.Fatal(err)
-		}
-		newsource = source + "&search_path=" + name
-		dropQuery = "DROP SCHEMA " + name + " CASCADE"
-	} else {
-		if _, err := db.Exec("CREATE DATABASE " + name); err != nil {
-			t.Fatal(err)
-		}
-		newsource = fmt.Sprintf("postgres://%s:%s@%s:%s/%s?sslmode=disable", pgUser, pgPass, pgHost, pgPort, name)
-		dropQuery = "DROP DATABASE IF EXISTS " + name + " WITH (FORCE)"
-	}
-
-	sdb, err := sql.Open("postgres", newsource)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	files, err := sqlpath.Glob(migrations)
-	if err != nil {
-		t.Fatal(err)
-	}
-	for _, f := range files {
-		blob, err := os.ReadFile(f)
-		if err != nil {
-			t.Fatal(err)
-		}
-		if _, err := sdb.Exec(string(blob)); err != nil {
-			t.Fatalf("%s: %s", filepath.Base(f), err)
-		}
-	}
-
-	return sdb, func() {
-		if _, err := db.Exec(dropQuery); err != nil {
-			t.Fatal(err)
-		}
-		db.Close()
-	}
-}