diff --git a/cmd/beekeeper/cmd/check_peercount.go b/cmd/beekeeper/cmd/check_peercount.go
index e490c81da..7c6b41125 100644
--- a/cmd/beekeeper/cmd/check_peercount.go
+++ b/cmd/beekeeper/cmd/check_peercount.go
@@ -35,7 +35,9 @@ Expected peer count equals: node-count + bootnode-count - 1.`,
 	cmd.Flags().IntP(optionNameBootNodeCount, "b", 1, "bootnode count")
 	cmd.Flags().IntP(optionNameNodeCount, "c", 1, "node count")
 	cmd.Flags().StringP(optionNameNamespace, "n", "", "Kubernetes namespace")
-	cmd.MarkFlagRequired(optionNameNamespace)
+	if err := cmd.MarkFlagRequired(optionNameNamespace); err != nil {
+		panic(err)
+	}
 
 	return cmd
 }
diff --git a/pkg/bee/debugapi/errors.go b/pkg/bee/debugapi/errors.go
index eca89ea2e..df7b1dd25 100644
--- a/pkg/bee/debugapi/errors.go
+++ b/pkg/bee/debugapi/errors.go
@@ -37,5 +37,3 @@ var (
 	ErrInternalServerError = errors.New("internal server error")
 	ErrMaintenance         = errors.New("maintenance")
 )
-
-var errInvalidPageNumber = errors.New("invalid page number")
diff --git a/pkg/check/peercount.go b/pkg/check/peercount.go
index c7237a442..0c23020d2 100644
--- a/pkg/check/peercount.go
+++ b/pkg/check/peercount.go
@@ -39,9 +39,9 @@ func PeerCount(opts PeerCountOptions) (err error) {
 		}
 
 		if len(resp.Peers) == expectedPeerCount {
-			fmt.Println(fmt.Sprintf("Node %d passed. Peers %d/%d.", i, len(resp.Peers), expectedPeerCount))
+			fmt.Printf("Node %d passed. Peers %d/%d.\n", i, len(resp.Peers), expectedPeerCount)
 		} else {
-			fmt.Println(fmt.Sprintf("Node %d failed. Peers %d/%d.", i, len(resp.Peers), expectedPeerCount))
+			fmt.Printf("Node %d failed. Peers %d/%d.\n", i, len(resp.Peers), expectedPeerCount)
 			return errPeerCount
 		}
 	}