diff --git a/drift/lib/internal/manager.dart b/drift/lib/internal/manager.dart
deleted file mode 100644
index c3aa31b5..00000000
--- a/drift/lib/internal/manager.dart
+++ /dev/null
@@ -1,53 +0,0 @@
-/// Internal library used by generated managers.
-///
-/// This library is not part of drift's public API and should not be imported
-/// manually.
-library drift.internal.manager;
-
-import 'package:drift/drift.dart';
-import 'package:drift/src/runtime/manager/manager.dart';
-
-/// Utility for creating a composer which contains the joins needed to
-/// execute a query on a table that is referenced by a foreign key.
-B composeWithJoins<RT extends Table, DB extends GeneratedDatabase,
-    CT extends Table, QC extends Composer<DB, RT>, B extends HasJoinBuilders>({
-  required DB $db,
-  required CT $table,
-  required GeneratedColumn Function(CT) getCurrentColumn,
-  required RT referencedTable,
-  required GeneratedColumn Function(RT) getReferencedColumn,
-  required B Function(QC) builder,
-  required QC Function(DB db, RT table) getReferencedComposer,
-}) {
-  // The name of the alias will be created using the following logic:
-  // "currentTableName__currentColumnName__referencedColumnName__referencedTableName"
-  // This is to ensure that the alias is unique
-  final currentColumn = getCurrentColumn($table);
-  final tempReferencedColumn = getReferencedColumn(referencedTable);
-  final aliasName =
-      '${currentColumn.tableName}__${currentColumn.name}__${tempReferencedColumn.tableName}__${tempReferencedColumn.name}';
-  final aliasedReferencedTable =
-      $db.alias(referencedTable as TableInfo, aliasName);
-  final aliasedReferencedColumn =
-      getReferencedColumn(aliasedReferencedTable as RT);
-
-  // Create a join builder for the referenced table
-  final joinBuilder = JoinBuilder(
-    currentTable: $table,
-    currentColumn: currentColumn,
-    referencedTable: aliasedReferencedTable,
-    referencedColumn: aliasedReferencedColumn,
-  );
-
-  // Get the query composer for the referenced table, passing in the aliased
-  // table and all the join builders
-  final referencedComposer = getReferencedComposer($db, aliasedReferencedTable);
-
-  // Run the user provided builder with the referencedQueryComposer
-  // This may return a filter or ordering, but we only enforce that it's
-  // a HasJoinBuilders
-  final result = builder(referencedComposer);
-  result.addJoinBuilders({joinBuilder});
-
-  return result;
-}
diff --git a/drift/lib/src/runtime/manager/composer.dart b/drift/lib/src/runtime/manager/composer.dart
index 08008281..086f0247 100644
--- a/drift/lib/src/runtime/manager/composer.dart
+++ b/drift/lib/src/runtime/manager/composer.dart
@@ -22,4 +22,50 @@ sealed class Composer<DB extends GeneratedDatabase, CT extends Table> {
   final CT $table;
 
   Composer(this.$db, this.$table);
+
+  /// Utility for creating a composer which contains the joins needed to
+  /// execute a query on a table that is referenced by a foreign key.
+  B $composeWithJoins<RT extends Table, QC extends Composer<DB, RT>,
+      B extends HasJoinBuilders>({
+    required DB $db,
+    required CT $table,
+    required GeneratedColumn Function(CT) getCurrentColumn,
+    required RT referencedTable,
+    required GeneratedColumn Function(RT) getReferencedColumn,
+    required B Function(QC) builder,
+    required QC Function(DB db, RT table) getReferencedComposer,
+  }) {
+    // The name of the alias will be created using the following logic:
+    // "currentTableName__currentColumnName__referencedColumnName__referencedTableName"
+    // This is to ensure that the alias is unique
+    final currentColumn = getCurrentColumn($table);
+    final tempReferencedColumn = getReferencedColumn(referencedTable);
+    final aliasName =
+        '${currentColumn.tableName}__${currentColumn.name}__${tempReferencedColumn.tableName}__${tempReferencedColumn.name}';
+    final aliasedReferencedTable =
+        $db.alias(referencedTable as TableInfo, aliasName);
+    final aliasedReferencedColumn =
+        getReferencedColumn(aliasedReferencedTable as RT);
+
+    // Create a join builder for the referenced table
+    final joinBuilder = JoinBuilder(
+      currentTable: $table,
+      currentColumn: currentColumn,
+      referencedTable: aliasedReferencedTable,
+      referencedColumn: aliasedReferencedColumn,
+    );
+
+    // Get the query composer for the referenced table, passing in the aliased
+    // table and all the join builders
+    final referencedComposer =
+        getReferencedComposer($db, aliasedReferencedTable);
+
+    // Run the user provided builder with the referencedQueryComposer
+    // This may return a filter or ordering, but we only enforce that it's
+    // a HasJoinBuilders
+    final result = builder(referencedComposer);
+    result.addJoinBuilders({joinBuilder});
+
+    return result;
+  }
 }
diff --git a/drift_dev/lib/src/writer/manager_writer.dart b/drift_dev/lib/src/writer/manager_writer.dart
index 64bd7c1f..32c83f0a 100644
--- a/drift_dev/lib/src/writer/manager_writer.dart
+++ b/drift_dev/lib/src/writer/manager_writer.dart
@@ -101,10 +101,7 @@ class _ReferencedFilterWriter extends _FilterWriter {
       ..write(" $filterName(")
       ..writeDriftRef("ComposableFilter")
       ..writeln(" Function( $referencedFilterComposer f) f) {")
-      ..write("return ")
-      ..writeUriRef(
-          Uri.parse('package:drift/internal/manager.dart'), 'composeWithJoins')
-      ..writeln('(')
+      ..write("return \$composeWithJoins(")
       ..writeln("\$db: \$db,")
       ..writeln("\$table: \$table,")
       ..writeln("referencedTable: $referencedTableField,")
@@ -186,10 +183,7 @@ class _ReferencedOrderingWriter extends _OrderingWriter {
       ..write(" $orderingName(")
       ..writeDriftRef("ComposableOrdering")
       ..writeln(" Function( $referencedOrderingComposer o) o) {")
-      ..write("return ")
-      ..writeUriRef(
-          Uri.parse('package:drift/internal/manager.dart'), 'composeWithJoins')
-      ..writeln('(')
+      ..write("return \$composeWithJoins(")
       ..writeln("\$db: \$db,")
       ..writeln("\$table: \$table,")
       ..writeln("referencedTable: $referencedTableField,")