diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 12c129f..3151acf 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -706,7 +706,6 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
 		*delim = 0;
 		if (*cur == ' ' || *cur == '\t')
 			np_info(np, "warning: whitespace is not allowed\n");
-		np->remote_port = simple_strtol(cur, NULL, 10);
 		if (kstrtou16(cur, 10, &np->remote_port))
 			goto parse_failed;
 		cur = delim;
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 0dedb4b..6fb1168 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -220,7 +220,6 @@ static ssize_t sta_agg_status_write(struct file *file, const char __user *userbu
 	} else
 		return -EINVAL;
 
-	tid = simple_strtoul(buf, NULL, 0);
 	ret = kstrtoul(buf, 0, &tid);
 	if (ret)
 		return ret;
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 37d9e62..08cdc71 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1422,7 +1422,6 @@ int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp)
 	if (!nf_conntrack_htable_size)
 		return param_set_uint(val, kp);
 
-	hashsize = simple_strtoul(val, NULL, 0);
 	rc = kstrtouint(val, 0, &hashsize);
 	if (rc)
 		return rc;