diff --git a/lib/system.nim b/lib/system.nim
index f9ae5b5529..4dcb39c2ad 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -59,9 +59,6 @@ const
 {.push warning[GcMem]: off, warning[Uninit]: off.}
 {.push hints: off.}
 
-proc `|` *(a, b: typedesc): typedesc {.magic: "TypeTrait", noSideEffect.}
-  ## Constructs an `or` meta class
-
 proc `or` *(a, b: typedesc): typedesc {.magic: "TypeTrait", noSideEffect.}
   ## Constructs an `or` meta class