diff --git a/core/vm/instructions.go b/core/vm/instructions.go
index 9330c5f2e5..10cdd72e0c 100644
--- a/core/vm/instructions.go
+++ b/core/vm/instructions.go
@@ -434,6 +434,7 @@ func opBlockhash(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) (
 		num.Clear()
 		return nil, nil
 	}
+
 	var upper, lower uint64
 	upper = interpreter.evm.Context.BlockNumber.Uint64()
 	if upper < 257 {
diff --git a/core/vm/jump_table.go b/core/vm/jump_table.go
index 229d765847..5624f47ba7 100644
--- a/core/vm/jump_table.go
+++ b/core/vm/jump_table.go
@@ -87,11 +87,6 @@ func newVerkleInstructionSet() JumpTable {
 	return validate(instructionSet)
 }
 
-func newPraugeInstructionSet() JumpTable {
-	instructionSet := newCancunInstructionSet()
-	return validate(instructionSet)
-}
-
 func newCancunInstructionSet() JumpTable {
 	instructionSet := newShanghaiInstructionSet()
 	enable4844(&instructionSet) // EIP-4844 (BLOBHASH opcode)
diff --git a/params/protocol_params.go b/params/protocol_params.go
index a07efe48bc..7aeb5a89e3 100644
--- a/params/protocol_params.go
+++ b/params/protocol_params.go
@@ -195,7 +195,4 @@ var (
 	HistoryStorageAddress = common.HexToAddress("0x25a219378dad9b3503c8268c9ca836a52427a4fb")
 	// HistoryStorageCode is the code with getters for historical block hashes.
 	HistoryStorageCode = common.FromHex("60203611603157600143035f35116029575f356120000143116029576120005f3506545f5260205ff35b5f5f5260205ff35b5f5ffd00")
-
-	// Magic prefix for EIP-3074 AUTH messages.
-	AuthMagic = byte(0x04)
 )