diff --git a/drift/lib/src/runtime/devtools/shared.dart b/drift/lib/src/runtime/devtools/shared.dart
index 060ddd242..c0757cac5 100644
--- a/drift/lib/src/runtime/devtools/shared.dart
+++ b/drift/lib/src/runtime/devtools/shared.dart
@@ -2,18 +2,14 @@
 @internal
 library;
 
-import 'package:json_annotation/json_annotation.dart';
 import 'package:meta/meta.dart';
 
 import '../api/runtime_api.dart';
 import '../query_builder/query_builder.dart';
 import '../types/mapping.dart';
 
-part 'shared.g.dart';
-
 typedef JsonObject = Map<String, Object?>;
 
-@JsonSerializable()
 class TypeDescription {
   final DriftSqlType? type;
   final String? customTypeName;
@@ -28,16 +24,26 @@ class TypeDescription {
     };
   }
 
-  factory TypeDescription.fromJson(JsonObject obj) =>
-      _$TypeDescriptionFromJson(obj);
+  factory TypeDescription.fromJson(JsonObject obj) {
+    final typeName = obj['type'] as String?;
+
+    return TypeDescription(
+      type: typeName != null ? DriftSqlType.values.byName(typeName) : null,
+      customTypeName: obj['customTypeName'] as String?,
+    );
+  }
 
-  JsonObject toJson() => _$TypeDescriptionToJson(this);
+  JsonObject toJson() {
+    return {
+      'type': type?.name,
+      'customTypeName': customTypeName,
+    };
+  }
 }
 
-@JsonSerializable()
 class ColumnDescription {
   final String name;
-  final TypeDescription? type;
+  final TypeDescription type;
   final bool isNullable;
 
   ColumnDescription(
@@ -52,13 +58,23 @@ class ColumnDescription {
     );
   }
 
-  factory ColumnDescription.fromJson(JsonObject obj) =>
-      _$ColumnDescriptionFromJson(obj);
+  factory ColumnDescription.fromJson(JsonObject obj) {
+    return ColumnDescription(
+      name: obj['name'] as String,
+      type: TypeDescription.fromJson(obj['type'] as JsonObject),
+      isNullable: obj['isNullable'] as bool,
+    );
+  }
 
-  JsonObject toJson() => _$ColumnDescriptionToJson(this);
+  JsonObject toJson() {
+    return {
+      'name': name,
+      'type': type.toJson(),
+      'isNullable': isNullable,
+    };
+  }
 }
 
-@JsonSerializable()
 class EntityDescription {
   final String name;
   final String type;
@@ -93,13 +109,28 @@ class EntityDescription {
     );
   }
 
-  factory EntityDescription.fromJson(JsonObject obj) =>
-      _$EntityDescriptionFromJson(obj);
+  factory EntityDescription.fromJson(JsonObject obj) {
+    return EntityDescription(
+      name: obj['name'] as String,
+      type: obj['type'] as String,
+      columns: (obj['columns'] as List<dynamic>)
+          .map((e) => ColumnDescription.fromJson(e as JsonObject))
+          .toList(),
+    );
+  }
 
-  JsonObject toJson() => _$EntityDescriptionToJson(this);
+  JsonObject toJson() {
+    return {
+      'name': name,
+      'type': type,
+      'columns': [
+        if (columns != null)
+          for (final column in columns!) column.toJson()
+      ],
+    };
+  }
 }
 
-@JsonSerializable()
 class DatabaseDescription {
   final bool dateTimeAsText;
   final List<EntityDescription> entities;
@@ -124,8 +155,19 @@ class DatabaseDescription {
     );
   }
 
-  factory DatabaseDescription.fromJson(JsonObject obj) =>
-      _$DatabaseDescriptionFromJson(obj);
+  factory DatabaseDescription.fromJson(JsonObject obj) {
+    return DatabaseDescription(
+      dateTimeAsText: obj['dateTimeAsText'] as bool,
+      entities: (obj['entities'] as List<dynamic>)
+          .map((e) => EntityDescription.fromJson(e as Map<String, dynamic>))
+          .toList(),
+    );
+  }
 
-  JsonObject toJson() => _$DatabaseDescriptionToJson(this);
+  JsonObject toJson() {
+    return <String, dynamic>{
+      'dateTimeAsText': dateTimeAsText,
+      'entities': [for (final entity in entities) entity.toJson()],
+    };
+  }
 }
diff --git a/drift/pubspec.yaml b/drift/pubspec.yaml
index 54d7e06b8..5a20dc523 100644
--- a/drift/pubspec.yaml
+++ b/drift/pubspec.yaml
@@ -13,7 +13,6 @@ dependencies:
   convert: ^3.0.0
   collection: ^1.15.0
   js: ^0.6.3
-  json_annotation: ^4.8.1
   meta: ^1.3.0
   stream_channel: ^2.1.0
   sqlite3: ^2.0.0
@@ -25,7 +24,6 @@ dev_dependencies:
   build_runner_core: ^7.0.0
   build_verify: ^3.0.0
   build_web_compilers: ^4.0.3
-  json_serializable: ^6.7.1
   drift_dev: any
   drift_testcases:
     path: ../extras/integration_tests/drift_testcases
diff --git a/extras/drift_devtools_extension/lib/src/db_viewer/database.dart b/extras/drift_devtools_extension/lib/src/db_viewer/database.dart
index c36450b0e..79a6cf579 100644
--- a/extras/drift_devtools_extension/lib/src/db_viewer/database.dart
+++ b/extras/drift_devtools_extension/lib/src/db_viewer/database.dart
@@ -76,7 +76,7 @@ class ViewerDatabase implements DbViewerDatabase {
   @override
   String getType(String entityName, String columnName) {
     final type = database.description.entitiesByName[entityName]!
-        .columnsByName[columnName]!.type!;
+        .columnsByName[columnName]!.type;
     final genContext = GenerationContext(
       DriftDatabaseOptions(
           storeDateTimeAsText: database.description.dateTimeAsText),
@@ -101,7 +101,7 @@ class ViewerDatabase implements DbViewerDatabase {
         final resolvedColumn = entity.columnsByName[column];
 
         if (resolvedColumn != null) {
-          final type = resolvedColumn.type?.type ?? DriftSqlType.any;
+          final type = resolvedColumn.type.type ?? DriftSqlType.any;
 
           mappedRow[column] = types.read(type, value);
         } else {
diff --git a/extras/drift_devtools_extension/lib/src/list.dart b/extras/drift_devtools_extension/lib/src/list.dart
index 2ae95d813..f5a440395 100644
--- a/extras/drift_devtools_extension/lib/src/list.dart
+++ b/extras/drift_devtools_extension/lib/src/list.dart
@@ -135,7 +135,7 @@ class _DatabaseListState extends ConsumerState<DatabaseList> {
 class _DatabaseEntry extends ConsumerWidget {
   final TrackedDatabase database;
 
-  const _DatabaseEntry({super.key, required this.database});
+  const _DatabaseEntry({required this.database});
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {