diff --git a/waku/common/message_test.go b/waku/common/message_test.go
index 895c4682a..ebb78bdb6 100644
--- a/waku/common/message_test.go
+++ b/waku/common/message_test.go
@@ -22,11 +22,12 @@ import (
 	"bytes"
 	"crypto/aes"
 	"crypto/cipher"
-	"github.com/stretchr/testify/require"
 	mrand "math/rand"
 	"testing"
 	"time"
 
+	"github.com/stretchr/testify/require"
+
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/rlp"
diff --git a/waku/v0_test.go b/waku/v0_test.go
index 40f80ecd1..72d6cb9be 100644
--- a/waku/v0_test.go
+++ b/waku/v0_test.go
@@ -103,9 +103,7 @@ var unexpectedMessage = []byte("per rectum ad astra")
 var masterBloomFilter []byte
 var masterPow = 0.00000001
 var round = 1
-var debugMode = false
 var prevTime time.Time
-var cntPrev int
 
 func TestSimulationBloomFilter(t *testing.T) {
 	// create a chain of waku nodes,