diff --git a/src/components/middle/composer/AttachmentModal.tsx b/src/components/middle/composer/AttachmentModal.tsx
index cf4ceaad4..9cff8a3e0 100644
--- a/src/components/middle/composer/AttachmentModal.tsx
+++ b/src/components/middle/composer/AttachmentModal.tsx
@@ -28,6 +28,7 @@ import { selectCurrentLimit } from '../../../global/selectors/limits';
 import { openSystemFilesDialog } from '../../../util/systemFilesDialog';
 import buildClassName from '../../../util/buildClassName';
 import { validateFiles } from '../../../util/files';
+import { removeAllSelections } from '../../../util/selection';
 
 import usePrevious from '../../../hooks/usePrevious';
 import useMentionTooltip from './hooks/useMentionTooltip';
@@ -239,6 +240,12 @@ const AttachmentModal: FC<OwnProps & StateProps> = ({
     }
   }, [attachmentSettings, isOpen, shouldSuggestCompression]);
 
+  useEffect(() => {
+    if (isOpen && isMobile) {
+      removeAllSelections();
+    }
+  }, [isMobile, isOpen]);
+
   const {
     isContextMenuOpen: isCustomSendMenuOpen,
     handleContextMenu,
diff --git a/src/util/selection.ts b/src/util/selection.ts
index 9c9ae82b9..cca130575 100644
--- a/src/util/selection.ts
+++ b/src/util/selection.ts
@@ -92,3 +92,8 @@ export function setCaretPosition(element: Node, position: number) {
 
   return position;
 }
+
+export function removeAllSelections() {
+  const selection = window.getSelection();
+  selection?.removeAllRanges();
+}