diff --git a/types/aphrodite/index.d.ts b/types/aphrodite/index.d.ts
index 3b96f46c21..f41aadec46 100644
--- a/types/aphrodite/index.d.ts
+++ b/types/aphrodite/index.d.ts
@@ -12,7 +12,7 @@ type FontFamily =
     | BaseCSSProperties['fontFamily']
     | CSS.FontFace;
 
-type Omit<T, K extends keyof T> = Pick<T, ({ [P in keyof T]: P } & { [P in K]: never } & { [x: string]: never, [x: number]: never })[keyof T]>;
+type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
 
 type CSSProperties = Omit<BaseCSSProperties, 'fontFamily' | 'transition' | 'animationName' > & {
     fontFamily?: FontFamily | FontFamily[];
@@ -21,7 +21,7 @@ type CSSProperties = Omit<BaseCSSProperties, 'fontFamily' | 'transition' | 'anim
 
 // For pseudo selectors and media queries
 interface OpenCSSProperties extends CSSProperties {
-    [k: string]: CSSProperties[NonNullable<keyof CSSProperties>] | CSSProperties;
+    [k: string]: CSSProperties[keyof CSSProperties] | CSSProperties;
 }
 
 /**