diff --git a/hassio/addons/__init__.py b/hassio/addons/__init__.py
index c8da2f6fd..5536df866 100644
--- a/hassio/addons/__init__.py
+++ b/hassio/addons/__init__.py
@@ -71,7 +71,7 @@ class AddonManager(AddonsData):
         """Remove a custom repository."""
         for repo in self.repositories:
             if repo.url == url:
-                self.repositories.pop(repo)
+                self.repositories.remove(repo)
                 self.config.drop_addon_repository(url)
                 repo.remove()
                 return True
diff --git a/hassio/config.py b/hassio/config.py
index 8d11fdbb0..f40d5afd1 100644
--- a/hassio/config.py
+++ b/hassio/config.py
@@ -233,5 +233,5 @@ class CoreConfig(Config):
         if repo not in self._data[ADDONS_CUSTOM_LIST]:
             return
 
-        self._data[ADDONS_CUSTOM_LIST].pop(repo)
+        self._data[ADDONS_CUSTOM_LIST].remove(repo)
         self.save()