diff --git a/lib/js/dom.nim b/lib/js/dom.nim
index a042c222e2..efe281ce53 100644
--- a/lib/js/dom.nim
+++ b/lib/js/dom.nim
@@ -417,7 +417,6 @@ type
     paddingTop*: cstring
     pageBreakAfter*: cstring
     pageBreakBefore*: cstring
-    opacity*: cstring
     pointerEvents*: cstring
     position*: cstring
     right*: cstring