diff --git a/input/forbiddenStructures.py b/input/forbiddenStructures.py
index f0e3484e71..a976bf2952 100644
--- a/input/forbiddenStructures.py
+++ b/input/forbiddenStructures.py
@@ -94,20 +94,6 @@
 """,
 )
 
-entry(
-    label = "CH_doublet",
-    group = 
-"""
-1 C u1 p1 {2,S}
-2 H u0 {1,S}
-""",
-    shortDesc = u"""""",
-    longDesc = 
-u"""
-
-""",
-)
-
 entry(
     label = "C8H7S2J",
     group =