diff --git a/cabal.project b/cabal.project
index af6ea17..2ea71b1 100644
--- a/cabal.project
+++ b/cabal.project
@@ -71,8 +71,8 @@ source-repository-package
 source-repository-package
   type: git
   location: https://github.com/geniusyield/atlas
-  tag: 80ce2b5ecab27388c1093cf9f5d4f48fa30fd9bf
-  --sha256: sha256-WM/G0dlSuRD7oZZxwir4InpD+hxoLHhwHeEW0tKS12M=
+  tag: b64a026631be19c9cc8448c7a0670b0ad24b9b51
+  --sha256: sha256-CdXih/AGDelOqrvNPzJXMrH/EYL1T9cZjNVoQqoQmDI=
 
 source-repository-package
   type: git
diff --git a/geniusyield-market-maker/src/GeniusYield/MarketMaker/MakerBotConfig.hs b/geniusyield-market-maker/src/GeniusYield/MarketMaker/MakerBotConfig.hs
index c14df7d..932a2bc 100644
--- a/geniusyield-market-maker/src/GeniusYield/MarketMaker/MakerBotConfig.hs
+++ b/geniusyield-market-maker/src/GeniusYield/MarketMaker/MakerBotConfig.hs
@@ -34,7 +34,7 @@ data MakerBotConfig = MakerBotConfig
     mbcPriceConfig ∷ !PriceConfig
   }
   deriving stock (Show, Generic)
-  deriving (FromJSON, ToJSON) via CustomJSON '[FieldLabelModifier '[CamelToSnake]] MakerBotConfig
+  deriving (FromJSON) via CustomJSON '[FieldLabelModifier '[CamelToSnake]] MakerBotConfig
 
 instance FromEnv MakerBotConfig where
   fromEnv _ =
diff --git a/geniusyield-market-maker/src/GeniusYield/MarketMaker/Orphans.hs b/geniusyield-market-maker/src/GeniusYield/MarketMaker/Orphans.hs
index 81a0559..afd5c72 100644
--- a/geniusyield-market-maker/src/GeniusYield/MarketMaker/Orphans.hs
+++ b/geniusyield-market-maker/src/GeniusYield/MarketMaker/Orphans.hs
@@ -2,14 +2,11 @@
 
 module GeniusYield.MarketMaker.Orphans where
 
-import Deriving.Aeson
-import GeniusYield.Api.Dex.PartialOrder (PORefs (..))
-import GeniusYield.GYConfig (Confidential (..))
+import           Deriving.Aeson
+import           GeniusYield.Api.Dex.PartialOrder (PORefs (..))
 
 deriving stock instance Generic PORefs
 
 deriving via CustomJSON '[FieldLabelModifier '[CamelToSnake]] PORefs instance (FromJSON PORefs)
 
 deriving via CustomJSON '[FieldLabelModifier '[CamelToSnake]] PORefs instance (ToJSON PORefs)
-
-deriving newtype instance ToJSON a ⇒ ToJSON (Confidential a)
diff --git a/geniusyield-market-maker/src/GeniusYield/MarketMaker/Prices.hs b/geniusyield-market-maker/src/GeniusYield/MarketMaker/Prices.hs
index 03e9580..fce9787 100644
--- a/geniusyield-market-maker/src/GeniusYield/MarketMaker/Prices.hs
+++ b/geniusyield-market-maker/src/GeniusYield/MarketMaker/Prices.hs
@@ -88,7 +88,7 @@ data PriceConfig = PriceConfig
     pcOverride ∷ !(Maybe MaestroPairOverride)
   }
   deriving stock (Show, Generic)
-  deriving (FromJSON, ToJSON) via CustomJSON '[FieldLabelModifier '[CamelToSnake]] PriceConfig
+  deriving (FromJSON) via CustomJSON '[FieldLabelModifier '[CamelToSnake]] PriceConfig
 
 data MaestroPP = MaestroPP
   { mppEnv ∷ !(MaestroEnv 'V1),
diff --git a/geniusyield-market-maker/src/GeniusYield/MarketMaker/User.hs b/geniusyield-market-maker/src/GeniusYield/MarketMaker/User.hs
index 4829562..0a13e82 100644
--- a/geniusyield-market-maker/src/GeniusYield/MarketMaker/User.hs
+++ b/geniusyield-market-maker/src/GeniusYield/MarketMaker/User.hs
@@ -1,29 +1,8 @@
 module GeniusYield.MarketMaker.User where
 
-import           Data.Aeson          (withText)
 import           Deriving.Aeson
-import           GeniusYield.Imports
 import           GeniusYield.Types
 
--- TODO: Move to Atlas.
-newtype GYStakeAddressBech32 = GYStakeAddressBech32 GYStakeAddress
-  deriving newtype (Show, Eq, Ord)
-
-stakeAddressToBech32 :: GYStakeAddress -> GYStakeAddressBech32
-stakeAddressToBech32 = coerce
-
-stakeAddressFromBech32 :: GYStakeAddressBech32 -> GYStakeAddress
-stakeAddressFromBech32 = coerce
-
-instance ToJSON GYStakeAddressBech32 where
-  toJSON (GYStakeAddressBech32 addr) = toJSON $ stakeAddressToText addr
-
-instance FromJSON GYStakeAddressBech32 where
-  parseJSON = withText "GYStakeAddressBech32" $ \t ->
-    case stakeAddressFromTextMaybe t of
-      Just addr -> pure $ GYStakeAddressBech32 addr
-      Nothing   -> fail "cannot deserialise stake address"
-
 data UserRaw = UserRaw
   { urSKeyPath     :: !FilePath,
     urColl         :: !(Maybe GYTxOutRef),
diff --git a/geniusyield-market-maker/src/GeniusYield/MarketMaker/Utils.hs b/geniusyield-market-maker/src/GeniusYield/MarketMaker/Utils.hs
index 1f54b39..140f881 100644
--- a/geniusyield-market-maker/src/GeniusYield/MarketMaker/Utils.hs
+++ b/geniusyield-market-maker/src/GeniusYield/MarketMaker/Utils.hs
@@ -3,8 +3,7 @@ module GeniusYield.MarketMaker.Utils where
 import qualified Data.Text                        as Text
 import           GeniusYield.Api.Dex.PartialOrder (PORefs)
 import           GeniusYield.Imports              (coerce, first)
-import           GeniusYield.MarketMaker.User     (User (..),
-                                                   stakeAddressFromBech32)
+import           GeniusYield.MarketMaker.User     (User (..))
 import           GeniusYield.Providers.Common     (SomeDeserializeError (DeserializeErrorAssetClass))
 import           GeniusYield.Scripts              (HasPartialOrderConfigAddr (..),
                                                    HasPartialOrderNftScript (..),