diff --git a/my/reddit/common.py b/my/reddit/common.py
index a9be43e..c4a1f81 100644
--- a/my/reddit/common.py
+++ b/my/reddit/common.py
@@ -34,67 +34,24 @@ class RedditBase(Protocol):
     def text(self) -> str: ...
 
 
-# TODO: is there some way to handle this with subclasses or inhering protocols?
-# can't seem to figure it out
-
-
 # Note: doesn't include GDPR Save's since they don't have the same metadata
-class Save(Protocol):
-    @property
-    def raw(self) -> Json: ...
-    @property
-    def created(self) -> datetime_aware: ...
-    @property
-    def id(self) -> str: ...
-    @property
-    def url(self) -> str: ...
-    @property
-    def text(self) -> str: ...
+class Save(Protocol, RedditBase):
     @property
     def subreddit(self) -> str: ...
 
 # Note: doesn't include GDPR Upvote's since they don't have the same metadata
-class Upvote(Protocol):
-    @property
-    def raw(self) -> Json: ...
-    @property
-    def created(self) -> datetime_aware: ...
-    @property
-    def id(self) -> str: ...
-    @property
-    def url(self) -> str: ...
-    @property
-    def text(self) -> str: ...
+class Upvote(Protocol, RedditBase):
     @property
     def title(self) -> str: ...
 
 
 # From rexport, pushshift and the reddit GDPR export
-class Comment(Protocol):
-    @property
-    def raw(self) -> Json: ...
-    @property
-    def created(self) -> datetime_aware: ...
-    @property
-    def id(self) -> str: ...
-    @property
-    def url(self) -> str: ...
-    @property
-    def text(self) -> str: ...
+class Comment(Protocol, RedditBase):
+    pass
 
 
 # From rexport and the GDPR export
-class Submission(Protocol):
-    @property
-    def raw(self) -> Json: ...
-    @property
-    def created(self) -> datetime_aware: ...
-    @property
-    def id(self) -> str: ...
-    @property
-    def url(self) -> str: ...
-    @property
-    def text(self) -> str: ...
+class Submission(Protocol, RedditBase):
     @property
     def title(self) -> str: ...