diff --git a/src/screens/AssignmentScreen.tsx b/src/screens/AssignmentScreen.tsx
index 93dc021e..1b37f74c 100644
--- a/src/screens/AssignmentScreen.tsx
+++ b/src/screens/AssignmentScreen.tsx
@@ -268,19 +268,18 @@ const AssignmentScreen: INavigationScreen = (props) => {
         const assignment = JSON.parse(
           data.assignment as string,
         ) as WithCourseInfo<IAssignment>;
-        if (!assignments.find((n) => n.id === assignment.id)) {
-          dispatch(
-            getAssignmentsForCourseAction.success({
-              assignments: [
-                assignment,
-                ...assignments.filter(
-                  (i) => i.courseId === assignment.courseId,
-                ),
-              ],
-              courseId: assignment.courseId,
-            }),
-          );
-        }
+        dispatch(
+          getAssignmentsForCourseAction.success({
+            assignments: [
+              assignment,
+              ...assignments.filter(
+                (i) =>
+                  i.courseId === assignment.courseId && i.id !== assignment.id,
+              ),
+            ],
+            courseId: assignment.courseId,
+          }),
+        );
       }
     });
     return () => sub.remove();
@@ -295,19 +294,18 @@ const AssignmentScreen: INavigationScreen = (props) => {
         const assignment = JSON.parse(
           data.assignment as string,
         ) as WithCourseInfo<IAssignment>;
-        if (!assignments.find((n) => n.id === assignment.id)) {
-          dispatch(
-            getAssignmentsForCourseAction.success({
-              assignments: [
-                assignment,
-                ...assignments.filter(
-                  (i) => i.courseId === assignment.courseId,
-                ),
-              ],
-              courseId: assignment.courseId,
-            }),
-          );
-        }
+        dispatch(
+          getAssignmentsForCourseAction.success({
+            assignments: [
+              assignment,
+              ...assignments.filter(
+                (i) =>
+                  i.courseId === assignment.courseId && i.id !== assignment.id,
+              ),
+            ],
+            courseId: assignment.courseId,
+          }),
+        );
         Navigation.mergeOptions(props.componentId, {
           bottomTabs: {
             currentTabIndex: 2,
diff --git a/src/screens/FileScreen.tsx b/src/screens/FileScreen.tsx
index d09f1f23..eb9dfab3 100644
--- a/src/screens/FileScreen.tsx
+++ b/src/screens/FileScreen.tsx
@@ -221,17 +221,17 @@ const FileScreen: INavigationScreen = (props) => {
         e.request.content.data ?? (e.request.trigger as any).remoteMessage.data;
       if (data?.file) {
         const file = JSON.parse(data.file as string) as WithCourseInfo<IFile>;
-        if (!files.find((n) => n.id === file.id)) {
-          dispatch(
-            getFilesForCourseAction.success({
-              files: [
-                file,
-                ...files.filter((i) => i.courseId === file.courseId),
-              ],
-              courseId: file.courseId,
-            }),
-          );
-        }
+        dispatch(
+          getFilesForCourseAction.success({
+            files: [
+              file,
+              ...files.filter(
+                (i) => i.courseId === file.courseId && i.id !== file.id,
+              ),
+            ],
+            courseId: file.courseId,
+          }),
+        );
       }
     });
     return () => sub.remove();
@@ -244,17 +244,17 @@ const FileScreen: INavigationScreen = (props) => {
         (e.notification.request.trigger as any).remoteMessage.data;
       if (data?.file) {
         const file = JSON.parse(data.file as string) as WithCourseInfo<IFile>;
-        if (!files.find((n) => n.id === file.id)) {
-          dispatch(
-            getFilesForCourseAction.success({
-              files: [
-                file,
-                ...files.filter((i) => i.courseId === file.courseId),
-              ],
-              courseId: file.courseId,
-            }),
-          );
-        }
+        dispatch(
+          getFilesForCourseAction.success({
+            files: [
+              file,
+              ...files.filter(
+                (i) => i.courseId === file.courseId && i.id !== file.id,
+              ),
+            ],
+            courseId: file.courseId,
+          }),
+        );
         Navigation.mergeOptions(props.componentId, {
           bottomTabs: {
             currentTabIndex: 1,
diff --git a/src/screens/NoticeScreen.tsx b/src/screens/NoticeScreen.tsx
index 2e0e5b31..9aaed2c5 100644
--- a/src/screens/NoticeScreen.tsx
+++ b/src/screens/NoticeScreen.tsx
@@ -346,17 +346,17 @@ const NoticeScreen: INavigationScreen = (props) => {
         const notice = JSON.parse(data.notice as string) as WithCourseInfo<
           INotice
         >;
-        if (!notices.find((n) => n.id === notice.id)) {
-          dispatch(
-            getNoticesForCourseAction.success({
-              notices: [
-                notice,
-                ...notices.filter((i) => i.courseId === notice.courseId),
-              ],
-              courseId: notice.courseId,
-            }),
-          );
-        }
+        dispatch(
+          getNoticesForCourseAction.success({
+            notices: [
+              notice,
+              ...notices.filter(
+                (i) => i.courseId === notice.courseId && i.id !== notice.id,
+              ),
+            ],
+            courseId: notice.courseId,
+          }),
+        );
       }
     });
     return () => sub.remove();
@@ -371,17 +371,17 @@ const NoticeScreen: INavigationScreen = (props) => {
         const notice = JSON.parse(data.notice as string) as WithCourseInfo<
           INotice
         >;
-        if (!notices.find((n) => n.id === notice.id)) {
-          dispatch(
-            getNoticesForCourseAction.success({
-              notices: [
-                notice,
-                ...notices.filter((i) => i.courseId === notice.courseId),
-              ],
-              courseId: notice.courseId,
-            }),
-          );
-        }
+        dispatch(
+          getNoticesForCourseAction.success({
+            notices: [
+              notice,
+              ...notices.filter(
+                (i) => i.courseId === notice.courseId && i.id !== notice.id,
+              ),
+            ],
+            courseId: notice.courseId,
+          }),
+        );
         Navigation.mergeOptions(props.componentId, {
           bottomTabs: {
             currentTabIndex: 0,