diff --git a/removeparam.txt b/removeparam.txt
index 8b2fa19..d32ba0f 100644
--- a/removeparam.txt
+++ b/removeparam.txt
@@ -11,6 +11,7 @@ $removeparam=fb_action_types
 $removeparam=fb_ref
 $removeparam=fb_source
 $removeparam=fbclid
+$removeparam=extid
 
 ! Google
 $removeparam=gclid
@@ -94,4 +95,4 @@ $removeparam=__hstc
 $removeparam=hsCtaTracking
 $removeparam=tt_medium
 $removeparam=tt_content
-$removeparam=wt_zmc
\ No newline at end of file
+$removeparam=wt_zmc