diff --git a/Database/Persist/Class/PersistEntity.hs b/Database/Persist/Class/PersistEntity.hs
--- a/Database/Persist/Class/PersistEntity.hs
+++ b/Database/Persist/Class/PersistEntity.hs
@@ -149,7 +149,7 @@
 -- your query returns two entities (i.e. @(Entity backend a,
 -- Entity backend b)@), then you must you use @SELECT ??, ??
 -- WHERE ...@, and so on.
-data PersistEntity record => Entity record =
+data Entity record =
     Entity { entityKey :: Key record
            , entityVal :: record }
 
diff --git a/Database/Persist/Types/Base.hs b/Database/Persist/Types/Base.hs
--- a/Database/Persist/Types/Base.hs
+++ b/Database/Persist/Types/Base.hs
@@ -156,8 +156,6 @@
 -- 1) composite (to fields that exist in the record)
 -- 2) single field
 -- 3) embedded
---
--- embedding isn't really a reference
 data ReferenceDef = NoReference
                   | ForeignRef !HaskellName !FieldType -- ^ A ForeignRef has a late binding to the EntityDef it references via HaskellName and has the Haskell type of the foreign key in the form of FieldType
                   | EmbedRef EmbedEntityDef
diff --git a/persistent.cabal b/persistent.cabal
--- a/persistent.cabal
+++ b/persistent.cabal
@@ -1,5 +1,5 @@
 name:            persistent
-version:         2.0.5.1
+version:         2.0.7
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>