diff --git a/scripts/autoop.pl b/scripts/autoop.pl
index 7891bce9..413f5e17 100644
--- a/scripts/autoop.pl
+++ b/scripts/autoop.pl
@@ -1,8 +1,9 @@
 # /AUTOOP <*|#channel> [<nickmasks>]
 
 use Irssi;
+use strict;
 
-my %opnicks, %temp_opped;
+my (%opnicks, %temp_opped);
 
 sub cmd_autoop {
 	my ($data) = @_;
@@ -12,7 +13,7 @@ sub cmd_autoop {
 		if (!%opnicks) {
 			Irssi::print("Usage: /AUTOOP <*|#channel> [<nickmasks>]");
 			Irssi::print("No-one's being auto-opped currently.");
-			return 1;
+			return;
 		}
 
 		Irssi::print("Currently auto-opping in channels:");
@@ -25,7 +26,7 @@ sub cmd_autoop {
 				Irssi::print("$channel: $masks");
 			}
 		}
-		return 1;
+		return;
 	}
 
 	if ($masks eq "") {
@@ -39,17 +40,16 @@ sub cmd_autoop {
 	} else {
 		Irssi::print("$channel: Now auto-opping: $masks");
 	}
-	return 1;
 }
 
 sub autoop {
 	my ($channel, $masks, @nicks) = @_;
-	my $server, $nickrec;
+	my ($server, $nickrec);
 
 	$server = $channel->{server};
 	foreach $nickrec (@nicks) {
-		$nick = $nickrec->{nick};
-		$host = $nickrec->{host};
+		my $nick = $nickrec->{nick};
+		my $host = $nickrec->{host};
 
                 if (!$temp_opped{$nick} &&
 		    $server->masks_match($masks, $nick, $host)) {
diff --git a/scripts/autorejoin.pl b/scripts/autorejoin.pl
index 75bac90d..bbbb0ed8 100644
--- a/scripts/autorejoin.pl
+++ b/scripts/autorejoin.pl
@@ -6,6 +6,7 @@
 
 use Irssi;
 use Irssi::Irc;
+use strict;
 
 sub event_rejoin_kick {
 	my ($server, $data) = @_;
@@ -14,8 +15,8 @@ sub event_rejoin_kick {
 	return if ($server->{nick} ne $nick);
 
 	# check if channel has password
-	$chanrec = $server->channel_find($channel);
-	$password = $chanrec->{key} if ($chanrec);
+	my $chanrec = $server->channel_find($channel);
+	my $password = $chanrec->{key} if ($chanrec);
 
 	# We have to use send_raw() because the channel record still
 	# exists and irssi won't even try to join to it with command()
diff --git a/scripts/clones.pl b/scripts/clones.pl
index 27b5a1b1..a469a575 100644
--- a/scripts/clones.pl
+++ b/scripts/clones.pl
@@ -1,10 +1,11 @@
 # /CLONES - display real name of nick
 
 use Irssi;
+use strict;
 
 sub cmd_clones {
 	my ($data, $server, $channel) = @_;
-	my %hostnames, $host, @nicks, $nick;
+	my (%hostnames, $host, @nicks, $nick);
 
 	@nicks = $channel->nicks();
 
@@ -19,7 +20,6 @@ sub cmd_clones {
 			$channel->print("$host: $clones");
 		}
 	}
-	return 1;
 }
 
 Irssi::command_bind('clones', 'cmd_clones');
diff --git a/scripts/hello.pl b/scripts/hello.pl
index b5b92aa8..82adfe22 100644
--- a/scripts/hello.pl
+++ b/scripts/hello.pl
@@ -1,12 +1,12 @@
 # "Hello, world!" script :) /hello <nick> sends "Hello, world!" to <nick>
 
 use Irssi;
+use strict;
 
 sub cmd_hello {
 	my ($data, $server, $channel) = @_;
 
 	$server->command("/msg $data Hello, world!");
-	return 1;
 }
 
 Irssi::command_bind('hello', 'cmd_hello');
diff --git a/scripts/mlock.pl b/scripts/mlock.pl
index 415bf93e..35ad7856 100644
--- a/scripts/mlock.pl
+++ b/scripts/mlock.pl
@@ -7,6 +7,9 @@
 
 use Irssi;
 use Irssi::Irc;
+use strict;
+
+my %keep_channels;
 
 sub cmd_mlock {
 	my ($data, $server) = @_;
@@ -14,25 +17,26 @@ sub cmd_mlock {
 
 	$keep_channels{$channel} = $mode;
 	mlock_check_mode($server, $channel);
-        return 1;
 }
 
 sub mlock_check_mode {
         my ($server, $channame) = @_;
 
-	$channel = $server->channel_find($channame);
-	return if (!channel || !$channel->{chanop});
+	my $channel = $server->channel_find($channame);
+	return if (!$channel || !$channel->{chanop});
 
-        $keep_mode = $keep_channels{$channame};
+        my $keep_mode = $keep_channels{$channame};
 	return if (!$keep_mode);
 
 	# old channel mode
+	my ($oldmode, $oldkey, $oldlimit);
 	$oldmode = $channel->{mode};
         $oldmode =~ s/^([^ ]*).*/\1/;
 	$oldkey = $channel->{key};
 	$oldlimit = $channel->{limit};
 
 	# get the new channel key/limit
+	my (@newmodes, $newkey, $limit);
 	@newmodes = split(/ /, $keep_mode); $keep_mode = $newmodes[0];
 	if ($keep_mode =~ /k/) {
 		if ($keep_mode =~ /k.*l/) {
@@ -49,15 +53,15 @@ sub mlock_check_mode {
 	}
 
 	# check the differences
-	undef %allmodes;
+	my %allmodes;
 	$keep_mode =~ s/^\+//;
-	for ($n = 0; $n < length($keep_mode); $n++) {
-		$modechar = substr($keep_mode, $n, 1);
+	for (my $n = 0; $n < length($keep_mode); $n++) {
+		my $modechar = substr($keep_mode, $n, 1);
 		$allmodes{$modechar} = '+';
 	}
 
-	for ($n = 0; $n < length($oldmode); $n++) {
-		$modechar = substr($oldmode, $n, 1);
+	for (my $n = 0; $n < length($oldmode); $n++) {
+		my $modechar = substr($oldmode, $n, 1);
 
 		if ($allmodes{$modechar} eq '+') {
 			next if (($modechar eq "k" && $newkey ne $oldkey) ||
@@ -69,8 +73,8 @@ sub mlock_check_mode {
 	}
 
 	# create the mode change string
-        $modecmd = ""; $extracmd = "";
-	foreach $mode (keys %allmodes) {
+	my ($modecmd, $extracmd);
+	foreach my $mode (keys %allmodes) {
 		Irssi::print("key = '$mode':".$allmodes{$mode});
 		if ($mode eq "k") {
 			if ($allmodes{$mode} eq '+') {
diff --git a/scripts/privmsg.pl b/scripts/privmsg.pl
index c667220c..b1d119cb 100644
--- a/scripts/privmsg.pl
+++ b/scripts/privmsg.pl
@@ -1,6 +1,7 @@
 # listen PRIVMSGs - send a notice to yourself when your nick is meantioned
 
 use Irssi;
+use strict;
 
 sub event_privmsg {
 	my ($server, $data, $nick, $address) = @_;
@@ -8,7 +9,7 @@ sub event_privmsg {
 
 	return if (!$server->ischannel($target));
 
-	$mynick = $server->{nick};
+	my $mynick = $server->{nick};
 	return if ($text !~ /\b$mynick\b/);
 
 	$server->command("/notice $mynick In channel $target, $nick!$address said: $text");
diff --git a/scripts/quitmsg.pl b/scripts/quitmsg.pl
index cc4b1d3a..17bf9444 100644
--- a/scripts/quitmsg.pl
+++ b/scripts/quitmsg.pl
@@ -2,17 +2,19 @@
 
 use Irssi;
 use Irssi::Irc;
+use strict;
 
-$quitfile = "$ENV{HOME}/.irssi/irssi.quit";
+my $quitfile = glob "~/.irssi/irssi.quit";
 
 sub cmd_quit {
 	my ($data, $server, $channel) = @_;
 
 	open (f, $quitfile) || return;
-	$lines = 0; while(<f>) { $lines++; };
+	my $lines = 0; while(<f>) { $lines++; };
 
-	$line = int(rand($lines))+1;
+	my $line = int(rand($lines))+1;
 
+	my $quitmsg;
 	seek(f, 0, 0); $. = 0;
 	while(<f>) {
 		next if ($. != $line);
@@ -23,8 +25,7 @@ sub cmd_quit {
 	}
 	close(f);
 
-	@servers = Irssi::servers;
-	foreach $server (@servers) {
+	foreach my $server (Irssi::servers) {
 		$server->command("/disconnect ".$server->{tag}." $quitmsg");
 	}
 }
diff --git a/scripts/realname.pl b/scripts/realname.pl
index e3db5b6b..ccb1c6b1 100644
--- a/scripts/realname.pl
+++ b/scripts/realname.pl
@@ -2,6 +2,7 @@
 
 use Irssi;
 use Irssi::Irc;
+use strict;
 
 sub cmd_realname {
 	my ($data, $server, $channel) = @_;
@@ -20,7 +21,6 @@ sub cmd_realname {
 			  "event 313", "event empty", 1,
 			  "event 317", "event empty", 1,
 			  "event 319", "event empty", 1);
-	return 1;
 }
 
 sub event_rn_whois {
@@ -28,7 +28,6 @@ sub event_rn_whois {
 	$realname =~ s/^://;
 
 	Irssi::print("%_$nick%_ is $realname");
-	return 1;
 }
 
 Irssi::command_bind('rn', 'cmd_realname');