diff --git a/types/react-truncate/index.d.ts b/types/react-truncate/index.d.ts
index 3c21c15150..15c72616c0 100644
--- a/types/react-truncate/index.d.ts
+++ b/types/react-truncate/index.d.ts
@@ -11,7 +11,6 @@ export interface TruncateProps extends React.HTMLProps<Truncate> {
     ellipsis?: React.ReactNode;
     trimWhitespace?: boolean;
     onTruncate?(isTruncated: boolean): void;
-    trimWhitespace?: boolean;
 }
 
 declare class Truncate extends React.Component<TruncateProps> { }