diff --git a/.aliases b/.aliases
index c933cf6..80f075f 100644
--- a/.aliases
+++ b/.aliases
@@ -55,6 +55,9 @@ alias whois="whois -h whois-servers.net"
 # Flush Directory Service cache
 alias flush="dscacheutil -flushcache"
 
+# Clean up LaunchServices to remove duplicates in the “Open With” menu
+alias lscleanup="/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user && killall Finder"
+
 # View HTTP traffic
 alias sniff="sudo ngrep -d 'en1' -t '^(GET|POST) ' 'tcp and port 80'"
 alias httpdump="sudo tcpdump -i en1 -n -s 0 -w - | grep -a -o -E \"Host\: .*|GET \/.*\""