diff --git a/firmware/controllers/algo/engine_types.h b/firmware/controllers/algo/engine_types.h
index 344237a261..94fc4486f3 100644
--- a/firmware/controllers/algo/engine_types.h
+++ b/firmware/controllers/algo/engine_types.h
@@ -219,7 +219,6 @@ UNUSED25 = 25,
     UNUSED96 = 96,
     UNUSED97 = 97,
     UNUSED98 = 98,
-    UNUSED99 = 99,
 
 	/**
 	 * this configuration has as few pins configured as possible