diff --git a/src/Utils.hs b/src/Utils.hs
index 2019700fd..05366b456 100644
--- a/src/Utils.hs
+++ b/src/Utils.hs
@@ -2,6 +2,9 @@
 --
 -- SPDX-License-Identifier: AGPL-3.0-or-later
 
+-- unused imports because of commented out FromJSON and ToJSON instances
+{-# OPTIONS_GHC -Wwarn=unused-imports #-}
+
 module Utils
   ( module Utils
   , module Data.Containers.ListUtils
@@ -157,6 +160,8 @@ import qualified Data.UUID as UUID
 
 import Data.Containers.ListUtils
 
+import qualified Data.Aeson.KeyMap as KeyMap
+
 {-# ANN module ("HLint: ignore Use asum" :: String) #-}
 
 
@@ -1665,7 +1670,7 @@ kmaclazy :: forall a string key ba chunk.
          -> KMAC a
 kmaclazy str k = KMAC.finalize . KMAC.updates (KMAC.initialize @a str k) . toChunks
 
-emptyHash :: forall a. HashAlgorithm a => Q (TExp (Digest a))
+emptyHash :: forall a. HashAlgorithm a => Code Q (Digest a)
 -- ^ Hash of `mempty`
 --
 -- Computationally preferrable to computing the hash at runtime
@@ -1864,10 +1869,12 @@ instance (Hashable k, Semigroup v) => Semigroup (MergeHashMap k v) where
   (MergeHashMap a) <> (MergeHashMap b) = MergeHashMap $ HashMap.unionWith (<>) a b
 instance (Hashable k, Semigroup v) => Monoid (MergeHashMap k v) where
   mempty = MergeHashMap HashMap.empty
+{-
 instance (Hashable k, FromJSON v, FromJSONKey k, Semigroup v) => FromJSON (MergeHashMap k v) where
   parseJSON = case Aeson.fromJSONKey of
       Aeson.FromJSONKeyCoerce -> Aeson.withObject "HashMap ~Text" $
-          coerce @(Aeson.Parser (HashMap k v)) @(Aeson.Parser (MergeHashMap k v)) . fmap HashMap.fromList . traverse (\(k, v) -> (coerce @Text @k k, ) <$> parseJSON v Aeson.<?> Aeson.Key k) . HashMap.toList
+          --coerce @(Aeson.Parser (HashMap k v)) @(Aeson.Parser (MergeHashMap k v)) . fmap HashMap.fromList . traverse (\(kk, v) -> let k = fromText kk in (coerce @Text @k k, ) <$> parseJSON v Aeson.<?> Aeson.Key kk) . KeyMap.toList
+	coerce @(Aeson.Parser (HashMap k v)) @(Aeson.Parser (MergeHashMap k v)) . fmap HashMap.fromList . traverse (\(k, v) -> (coerce @Text @k k, ) <$> parseJSON v Aeson.<?> Aeson.Key k) . HashMap.toList
       Aeson.FromJSONKeyText f -> Aeson.withObject "HashMap" $
           fmap MergeHashMap . HashMap.foldrWithKey (\k v m -> HashMap.insertWith (<>) (f k) <$> parseJSON v Aeson.<?> Aeson.Key k <*> m) (pure mempty)
       Aeson.FromJSONKeyTextParser f -> Aeson.withObject "HashMap" $
@@ -1888,7 +1895,7 @@ instance (Hashable k, FromJSON v, FromJSONKey k, Semigroup v) => FromJSON (Merge
 
       parseJSONElemAtIndex :: (Value -> Aeson.Parser a) -> Int -> Vector Value -> Aeson.Parser a
       parseJSONElemAtIndex p idx ary = p (V.unsafeIndex ary idx) Aeson.<?> Aeson.Index idx
-
+-}
 
 newtype MergeMap k v = MergeMap { unMergeMap :: Map k v }
   deriving (Show, Generic, Data)
@@ -1918,7 +1925,7 @@ instance (Ord k, Semigroup v) => Semigroup (MergeMap k v) where
   (MergeMap a) <> (MergeMap b) = MergeMap $ Map.unionWith (<>) a b
 instance (Ord k, Semigroup v) => Monoid (MergeMap k v) where
   mempty = MergeMap Map.empty
-instance (Ord k, FromJSON v, FromJSONKey k, Semigroup v) => FromJSON (MergeMap k v) where
+{-instance (Ord k, FromJSON v, FromJSONKey k, Semigroup v) => FromJSON (MergeMap k v) where
   parseJSON = case Aeson.fromJSONKey of
       Aeson.FromJSONKeyCoerce -> Aeson.withObject "Map ~Text" $
           coerce @(Aeson.Parser (Map k v)) @(Aeson.Parser (MergeMap k v)) . fmap Map.fromList . traverse (\(k, v) -> (coerce @Text @k k, ) <$> parseJSON v Aeson.<?> Aeson.Key k) . HashMap.toList
@@ -1942,7 +1949,8 @@ instance (Ord k, FromJSON v, FromJSONKey k, Semigroup v) => FromJSON (MergeMap k
 
       parseJSONElemAtIndex :: (Value -> Aeson.Parser a) -> Int -> Vector Value -> Aeson.Parser a
       parseJSONElemAtIndex p idx ary = p (V.unsafeIndex ary idx) Aeson.<?> Aeson.Index idx
-  
+-}
+
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