diff --git a/_Sidebar.md b/_Sidebar.md
index e3be1bd..0a2ca3e 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -26,7 +26,6 @@
 [[Keybase|Section Keybase (basic)]]  
 [[Matrix|Section Matrix (basic)]]  
 [[Mattermost|Section Mattermost (basic)]]  
-[[Mattermost (https)|Section Mattermost (basic) https]]  
 [[RocketChat|Section RocketChat (basic)]]  
 [[Slack|Section Slack (basic)]]  
 [[Sshchat|Section Sshchat (basic)]]