diff --git a/cheatsheets/special-tools.md b/cheatsheets/special-tools.md
index 8bc2497..254d404 100644
--- a/cheatsheets/special-tools.md
+++ b/cheatsheets/special-tools.md
@@ -4,7 +4,6 @@
 
 - http://dnsbin.zhack.ca (DNS)
 - http://pingb.in (DNS)
-- http://requestb.in (HTTP)
 - https://www.mockbin.org/ (HTTP)
 
 **Wildcard DNS**