diff --git a/slang/lib/builder/builder/slang_file_collection_builder.dart b/slang/lib/builder/builder/slang_file_collection_builder.dart
index f75d4867..4d64186e 100644
--- a/slang/lib/builder/builder/slang_file_collection_builder.dart
+++ b/slang/lib/builder/builder/slang_file_collection_builder.dart
@@ -3,7 +3,6 @@ import 'dart:io';
 
 import 'package:collection/collection.dart';
 import 'package:slang/builder/builder/raw_config_builder.dart';
-import 'package:slang/builder/decoder/base_decoder.dart';
 import 'package:slang/builder/model/i18n_locale.dart';
 import 'package:slang/builder/model/raw_config.dart';
 import 'package:slang/builder/model/slang_file_collection.dart';
diff --git a/slang/lib/builder/builder/translation_map_builder.dart b/slang/lib/builder/builder/translation_map_builder.dart
index 54a5965d..353704d9 100644
--- a/slang/lib/builder/builder/translation_map_builder.dart
+++ b/slang/lib/builder/builder/translation_map_builder.dart
@@ -4,7 +4,6 @@ import 'package:slang/builder/model/enums.dart';
 import 'package:slang/builder/model/i18n_locale.dart';
 import 'package:slang/builder/model/slang_file_collection.dart';
 import 'package:slang/builder/model/translation_map.dart';
-import 'package:slang/builder/utils/path_utils.dart';
 
 class TranslationMapBuilder {
   /// This method transforms files to an intermediate model [TranslationMap].
@@ -66,29 +65,18 @@ class TranslationMapBuilder {
       } else {
         // json, yaml or normal csv
 
-        // directory name could be a locale
-        I18nLocale? directoryLocale = null;
-        if (rawConfig.namespaces) {
-          directoryLocale = PathUtils.findDirectoryLocale(
-            filePath: file.path,
-            inputDirectory: rawConfig.inputDirectory,
-          );
-        }
-
-        final locale = directoryLocale ?? rawConfig.baseLocale;
-
         translationMap.addTranslations(
-          locale: locale,
+          locale: file.locale,
           namespace: file.namespace,
           translations: translations,
         );
 
         if (verbose) {
-          final baseLog = locale == rawConfig.baseLocale ? '(base) ' : '';
+          final baseLog = file.locale == rawConfig.baseLocale ? '(base) ' : '';
           final namespaceLog =
               rawConfig.namespaces ? '(${file.namespace}) ' : '';
           print(
-              '${'$baseLog$namespaceLog${locale.languageTag}'.padLeft(padLeft)} -> ${file.path}');
+              '${'$baseLog$namespaceLog${file.locale.languageTag}'.padLeft(padLeft)} -> ${file.path}');
         }
       }
     }
diff --git a/slang/pubspec.yaml b/slang/pubspec.yaml
index c6030a6a..dfd70991 100644
--- a/slang/pubspec.yaml
+++ b/slang/pubspec.yaml
@@ -1,7 +1,11 @@
 name: slang
 description: Localization / Internationalization (i18n) solution. Use JSON, YAML or CSV files to create typesafe translations via source generation.
-version: 3.17.0
+version: 3.18.0
 repository: https://github.com/Tienisto/slang
+topics:
+  - i18n
+  - localization
+  - translation
 
 environment:
   sdk: ">=2.17.0 <4.0.0"
diff --git a/slang/test/unit/utils/path_utils_test.dart b/slang/test/unit/utils/path_utils_test.dart
index dc9a7564..1459f3df 100644
--- a/slang/test/unit/utils/path_utils_test.dart
+++ b/slang/test/unit/utils/path_utils_test.dart
@@ -35,7 +35,7 @@ void main() {
     });
 
     test('locale in first directory', () {
-      expect(f('/de/world/haha/cool.json'), I18nLocale(language: 'de'));
+      expect(f('/de/world/haha/cool.json'), null);
     });
 
     test('locale in last directory', () {
diff --git a/slang_build_runner/CHANGELOG.md b/slang_build_runner/CHANGELOG.md
index 3900313d..0e53a98a 100644
--- a/slang_build_runner/CHANGELOG.md
+++ b/slang_build_runner/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 3.18.0
+
+- Bump `slang` to `3.18.0`
+
 ## 3.17.0
 
 - Bump `slang` to `3.17.0`
diff --git a/slang_build_runner/pubspec.yaml b/slang_build_runner/pubspec.yaml
index 61bebfbc..629681a9 100644
--- a/slang_build_runner/pubspec.yaml
+++ b/slang_build_runner/pubspec.yaml
@@ -1,6 +1,6 @@
 name: slang_build_runner
 description: build_runner integration for slang. This library ensures that slang is recognized by build_runner.
-version: 3.17.0
+version: 3.18.0
 repository: https://github.com/Tienisto/slang
 
 environment:
@@ -11,4 +11,4 @@ dependencies:
   glob: ^2.0.2
 
   # Use tight version to ensure that all features are available
-  slang: '>=3.17.0 <3.18.0'
+  slang: '>=3.18.0 <3.19.0'
diff --git a/slang_flutter/CHANGELOG.md b/slang_flutter/CHANGELOG.md
index 018f30ca..e108dd2c 100644
--- a/slang_flutter/CHANGELOG.md
+++ b/slang_flutter/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 3.18.0
+
+- Bump `slang` to `3.18.0`
+
 ## 3.17.0
 
 - fix: setLocale does not work when Locale enum is from two packages (by [@fzyzcjy](https://github.com/fzyzcjy))
diff --git a/slang_flutter/pubspec.yaml b/slang_flutter/pubspec.yaml
index fa50ffb0..33f4baf0 100644
--- a/slang_flutter/pubspec.yaml
+++ b/slang_flutter/pubspec.yaml
@@ -1,6 +1,6 @@
 name: slang_flutter
 description: Flutter support for slang. This library provides helpful Flutter API.
-version: 3.17.0
+version: 3.18.0
 repository: https://github.com/Tienisto/slang
 
 environment:
@@ -11,4 +11,4 @@ dependencies:
     sdk: flutter
 
   # Use tight version to ensure that all features are available
-  slang: '>=3.17.0 <3.18.0'
+  slang: '>=3.18.0 <3.19.0'