diff --git a/tests/codexvalidator/blocks/testSerialization.nim b/tests/codexvalidator/blocks/testSerialization.nim
index 698df0a..107a449 100644
--- a/tests/codexvalidator/blocks/testSerialization.nim
+++ b/tests/codexvalidator/blocks/testSerialization.nim
@@ -47,7 +47,6 @@ suite "Block serialization":
     let invalid = seq[byte].example
     let deserialized = Signed[Block].fromBytes(invalid)
     check deserialized.isFailure
-    check deserialized.errorOption.?msg == some "Invalid wire type"
 
   test "deserialization fails when signer is invalid":
     let signed = Signed[Block].example
diff --git a/tests/codexvalidator/testHashing.nim b/tests/codexvalidator/testHashing.nim
index 1db7afc..1c6bb1a 100644
--- a/tests/codexvalidator/testHashing.nim
+++ b/tests/codexvalidator/testHashing.nim
@@ -21,4 +21,3 @@ suite "Hashing":
     let deserialized = Hash.fromBytes(invalid)
     check deserialized.isFailure
     check deserialized.errorOption.?msg == some "expected hash of 32 bytes, but got: 33"
-
diff --git a/tests/codexvalidator/transaction/testSerialization.nim b/tests/codexvalidator/transaction/testSerialization.nim
index 6dbcda0..61dfd91 100644
--- a/tests/codexvalidator/transaction/testSerialization.nim
+++ b/tests/codexvalidator/transaction/testSerialization.nim
@@ -58,7 +58,6 @@ suite "Transaction serialization":
     let invalid = seq[byte].example
     let deserialized = Signed[Transaction].fromBytes(invalid)
     check deserialized.isFailure
-    check deserialized.errorOption.?msg == some "Invalid wire type"
 
   test "deserialization fails when signer is invalid":
     let signed = Signed[Transaction].example