diff --git a/application/palemoon/branding/shared/pref/uaoverrides.inc b/application/palemoon/branding/shared/pref/uaoverrides.inc
index 32e34cf70f..6ba8dd6707 100644
--- a/application/palemoon/branding/shared/pref/uaoverrides.inc
+++ b/application/palemoon/branding/shared/pref/uaoverrides.inc
@@ -51,7 +51,6 @@ pref("@GUAO_PREF@.firefox.com","Mozilla/5.0 (%OS_SLICE% rv:@GRE_VERSION@) @GRE_D
 pref("@GUAO_PREF@.mozilla.org","Mozilla/5.0 (%OS_SLICE% rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");
 pref("@GUAO_PREF@.mozilla.com","Mozilla/5.0 (%OS_SLICE% rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");
 pref("@GUAO_PREF@.github.com","Mozilla/5.0 (%OS_SLICE% rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");
-pref("@GUAO_PREF@.twitter.com","Mozilla/5.0 (%OS_SLICE% rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");
 pref("@GUAO_PREF@.zoho.com","Mozilla/5.0 (%OS_SLICE% rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");
 
 // UA-Sniffing domains below have indicated no interest in supporting Pale Moon (BOO!)