diff --git a/miner/worker.go b/miner/worker.go
index 9788e60780..fd4708ddb0 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -19,7 +19,6 @@ package miner
 import (
 	"errors"
 	"fmt"
-	"github.com/ethereum/go-ethereum/metrics"
 	"math/big"
 	"sync"
 	"sync/atomic"
@@ -78,8 +77,6 @@ var (
 	errBlockInterruptedByNewHead  = errors.New("new head arrived while building block")
 	errBlockInterruptedByRecommit = errors.New("recommit interrupt while building block")
 	errBlockInterruptedByTimeout  = errors.New("timeout while building block")
-
-	blockSizeGaugeName = "clique/block_size_in_bytes"
 )
 
 // environment is the worker's current environment and holds all
@@ -1125,9 +1122,6 @@ func (w *worker) commit(env *environment, interval func(), update bool, start ti
 		env := env.copy()
 		// Withdrawals are set to nil here, because this is only called in PoW.
 		block, err := w.engine.FinalizeAndAssemble(w.chain, env.header, env.state, env.txs, nil, env.receipts, nil)
-		if metrics.Enabled {
-			metrics.GetOrRegisterGauge(blockSizeGaugeName, nil).Update(int64(block.Size()))
-		}
 		if err != nil {
 			return err
 		}