diff --git a/chan-delorean.cabal b/chan-delorean.cabal
index d36181e..6af8b36 100644
--- a/chan-delorean.cabal
+++ b/chan-delorean.cabal
@@ -75,7 +75,7 @@ executable chan-delorean
                       JSONPost
                       JSONCommonTypes
                       Common.PostsType
-                      AttachmentType
+                      Common.AttachmentType
                       Hash
                       Data.WordUtil
 
diff --git a/src/AttachmentType.hs b/src/AttachmentType.hs
deleted file mode 100644
index d2e731f..0000000
--- a/src/AttachmentType.hs
+++ /dev/null
@@ -1,35 +0,0 @@
-{-# LANGUAGE DeriveAnyClass #-}
-module AttachmentType
-( Attachment (..)
-, Dimension (..)
-, Paths (..)
-) where
-
-import GHC.Generics
-import Data.Int (Int64)
-import Data.Aeson (FromJSON, ToJSON)
-import Data.Text (Text)
-import Data.Time.Clock (UTCTime)
-
-data Dimension = Dimension
-  { width  :: Int
-  , height :: Int
-  } deriving (Show, Generic, FromJSON, ToJSON)
-
-data Paths = Paths
-  { file_path :: FilePath
-  , thumbnail_path :: FilePath
-  } deriving (Show)
-
-data Attachment = Attachment
-    { mimetype          :: Text
-    , creation_time     :: UTCTime
-    , sha256_hash       :: Text
-    , phash             :: Maybe Int64
-    , illegal           :: Bool
-    , post_id           :: Int64
-    , resolution        :: Maybe Dimension
-    , file_extension    :: Maybe Text
-    , original_filename :: Maybe Text
-    , file_size_bytes   :: Int
-    } deriving (Show, Generic, FromJSON, ToJSON)
diff --git a/src/Backfill.hs b/src/Backfill.hs
index 2fea516..d2d3708 100644
--- a/src/Backfill.hs
+++ b/src/Backfill.hs
@@ -35,7 +35,7 @@ import qualified DataClient as Client
 import qualified SitesType  as Sites
 import qualified BoardsType as Boards
 import qualified ThreadType as Threads
-import qualified AttachmentType as At
+import qualified Common.AttachmentType as At
 import qualified Common.PostsType as Posts
 import qualified Hash as Hash
 import qualified Data.WordUtil as Words
diff --git a/src/Common b/src/Common
index 7a1ee28..915d87d 160000
--- a/src/Common
+++ b/src/Common
@@ -1 +1 @@
-Subproject commit 7a1ee2819b34a10566d96faee2e33f8161546399
+Subproject commit 915d87dd6e5003019b28d3c2e682042a04bf375b
diff --git a/src/DataClient.hs b/src/DataClient.hs
index fe91a44..f05a41e 100644
--- a/src/DataClient.hs
+++ b/src/DataClient.hs
@@ -48,7 +48,7 @@ import qualified JSONSettings as T
 import qualified SitesType as Sites
 import qualified BoardsType as Boards
 import qualified ThreadType as Threads
-import qualified AttachmentType as Attachments
+import qualified Common.AttachmentType as Attachments
 import qualified Common.PostsType  as Posts
 
 data HttpError