diff --git a/src/app/api.py b/src/app/api.py
index f242841..f37bacd 100644
--- a/src/app/api.py
+++ b/src/app/api.py
@@ -7,7 +7,7 @@ class Api:
     _api_key: str | None
 
     @abstractmethod
-    def __init__(self, api_key: str | None = None) -> None:
+    def __init__(self, api_key: str | None = None):
         self._api_key = api_key
 
     @abstractmethod
@@ -36,7 +36,7 @@ class Api:
 
 
 class GitHubApi(Api):
-    def __init__(self) -> None:
+    def __init__(self):
         pass
 
     def get_contributor(self, repository):
diff --git a/src/app/generator.py b/src/app/generator.py
index 718c9bf..44aec0b 100644
--- a/src/app/generator.py
+++ b/src/app/generator.py
@@ -8,7 +8,7 @@ from abc import abstractmethod
 class Api:
     _api: api.Api
 
-    def __init__(self, name: str, api: api.Api = api.GitHubApi()) -> None:
+    def __init__(self, name: str, api: api.Api = api.GitHubApi()):
         self.name = name
         self._api = api
 
@@ -25,9 +25,8 @@ class Api:
 
 
 class ReleaseApi(Api):
-    def __init__(self, api) -> None:
+    def __init__(self, api):
         super().__init__("release", api)
-        pass
 
     def generate(self, config, path):
         path = join(path, "release")
@@ -61,9 +60,8 @@ class ReleaseApi(Api):
 
 
 class ContributorApi(Api):
-    def __init__(self, api) -> None:
+    def __init__(self, api):
         super().__init__("contributor", api)
-        pass
 
     def generate(self, config, path):
         path = join(path, "contributor")
@@ -81,7 +79,7 @@ class ContributorApi(Api):
 
 
 class SocialApi(Api):
-    def __init__(self, api) -> None:
+    def __init__(self, api):
         super().__init__("social", api)
 
     def generate(self, config, path):
@@ -96,7 +94,7 @@ class SocialApi(Api):
 class ApiProvider:
     _apis: list[Api]
 
-    def __init__(self, apis: list[Api]) -> None:
+    def __init__(self, apis: list[Api]):
         self._apis = apis
 
     def get(self, name: str) -> Api | None: