diff --git a/src/ui/components/Glyph.tsx b/src/ui/components/Glyph.tsx
index 04c2193f8..f6f99ec05 100644
--- a/src/ui/components/Glyph.tsx
+++ b/src/ui/components/Glyph.tsx
@@ -20,7 +20,7 @@ const ColoredIconBlack = styled('img')(({size}: {size: number}) => ({
 }));
 
 const ColoredIconCustom = styled('div')(
-  (props: {size: number; color: string; src: string}) => ({
+  (props: {size: number; color?: string; src: string}) => ({
     height: props.size,
     verticalAlign: 'middle',
     width: props.size,
diff --git a/src/utils/icons.d.ts b/src/utils/icons.d.ts
new file mode 100644
index 000000000..4b8a1fd1c
--- /dev/null
+++ b/src/utils/icons.d.ts
@@ -0,0 +1,18 @@
+/**
+ * Copyright 2018-present Facebook.
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ * @format
+ */
+
+import {IconSize} from 'src/ui/components/Glyph';
+
+declare function getIconURL(
+  name: string,
+  size?: IconSize,
+  density?: number,
+): string;
+
+declare const ICONS: {
+  [key: string]: Array<IconSize>;
+};