diff --git a/nimbus/db/aristo/aristo_desc/desc_identifiers.nim b/nimbus/db/aristo/aristo_desc/desc_identifiers.nim
index b5b87a2ae..2a7e65fc4 100644
--- a/nimbus/db/aristo/aristo_desc/desc_identifiers.nim
+++ b/nimbus/db/aristo/aristo_desc/desc_identifiers.nim
@@ -397,23 +397,6 @@ func `$`*(vids: HashSet[VertexID]): string =
     "$" & it.uint64.toHex.strip(trailing=false,chars={'0'})
     ).join(",") & "}"
 
-func `$`*(key: Hash256): string =
-  let w = UInt256.fromBytesBE key.data
-  if w == high(UInt256):
-    "2^256-1"
-  elif w == 0.u256:
-    "0"
-  elif w == 2.u256.pow 255:
-    "2^255" # 800...
-  elif w == 2.u256.pow 254:
-    "2^254" # 400..
-  elif w == 2.u256.pow 253:
-    "2^253" # 200...
-  elif w == 2.u256.pow 251:
-    "2^252" # 100...
-  else:
-    w.toHex
-
 func `$`*(key: HashKey): string =
   toHex(key.data)
 
diff --git a/nimbus/evm/stack.nim b/nimbus/evm/stack.nim
index 8fe0d8944..76d405d0e 100644
--- a/nimbus/evm/stack.nim
+++ b/nimbus/evm/stack.nim
@@ -41,7 +41,7 @@ template toStackElem(v: EvmStackInts, elem: EvmStackElement) =
 template toStackElem(v: EthAddress, elem: EvmStackElement) =
   elem.initFromBytesBE(v)
 
-template toStackElem(v: MDigest, elem: EvmStackElement) =
+template toStackElem(v: Hash256, elem: EvmStackElement) =
   elem.initFromBytesBE(v.data)
 
 template toStackElem(v: openArray[byte], elem: EvmStackElement) =
@@ -254,4 +254,3 @@ template unaryAddress*(stack: EvmStack, unOp): EvmResultVoid =
     EvmResultVoid.ok()
   else:
     EvmResultVoid.err(stackErr(StackInsufficient))
-    
\ No newline at end of file
diff --git a/tests/replay/pp_light.nim b/tests/replay/pp_light.nim
index 100e06d65..42d2f15cf 100644
--- a/tests/replay/pp_light.nim
+++ b/tests/replay/pp_light.nim
@@ -120,7 +120,7 @@ func pp*(q: openArray[int]; itemsPerLine: int; lineSep: string): string =
    .mapIt(it.mapIt(&"0x{it:02x}").join(", "))
    .join("," & lineSep)
 
-func pp*(a: MDigest[256]; collapse = true): string =
+func pp*(a: Hash256; collapse = true): string =
   if not collapse:
     a.data.toHex
   elif a == ZERO_HASH256:
@@ -136,7 +136,7 @@ func pp*(a: MDigest[256]; collapse = true): string =
   else:
     "£" & a.data.toHex.join[0..6] & ".." & a.data.toHex.join[56..63]
 
-func pp*(a: openArray[MDigest[256]]; collapse = true): string =
+func pp*(a: openArray[Hash256]; collapse = true): string =
   "@[" & a.toSeq.mapIt(it.pp).join(" ") & "]"
 
 func pp*(q: openArray[int]; itemsPerLine: int; indent: int): string =
@@ -146,7 +146,7 @@ func pp*(q: openArray[byte]; noHash = false): string =
   if q.len == 32 and not noHash:
     var a: array[32,byte]
     for n in 0..31: a[n] = q[n]
-    MDigest[256](data: a).pp
+    Hash256(data: a).pp
   else:
     q.toHex.pp(hex = true)
 
diff --git a/vendor/nim-eth b/vendor/nim-eth
index ebfe63b9b..864d54467 160000
--- a/vendor/nim-eth
+++ b/vendor/nim-eth
@@ -1 +1 @@
-Subproject commit ebfe63b9b6523a1823e4505f0972d81047a77cf5
+Subproject commit 864d54467e09c08d62b508149e9184001a813363