diff --git a/functions/src/commons/business/createSystemMessagesOnCommonAboutEdited.ts b/functions/src/commons/business/createSystemMessagesOnCommonAboutEdited.ts
index d406d7a27..b98aa7e39 100644
--- a/functions/src/commons/business/createSystemMessagesOnCommonAboutEdited.ts
+++ b/functions/src/commons/business/createSystemMessagesOnCommonAboutEdited.ts
@@ -51,7 +51,6 @@ export const createSystemMessagesOnCommonAboutEdited = async (
   ];
 
   await discussionMessageDb.addDiscussionMessage({
-    commonId: common.id,
     discussionId: discussion.id,
     ownerName: "System",
     ownerAvatar: "",
diff --git a/functions/src/commons/business/createSystemMessagesOnCommonCreated.ts b/functions/src/commons/business/createSystemMessagesOnCommonCreated.ts
index 630cc1cd9..a160ab299 100644
--- a/functions/src/commons/business/createSystemMessagesOnCommonCreated.ts
+++ b/functions/src/commons/business/createSystemMessagesOnCommonCreated.ts
@@ -46,7 +46,6 @@ export const createSystemMessagesOnCommonCreated = async (commonId: string) => {
   ];
 
   await discussionMessageDb.addDiscussionMessage({
-    commonId: common.id,
     discussionId: discussion.id,
     ownerName: "System",
     ownerAvatar: "",
@@ -90,7 +89,6 @@ export const createSystemMessagesOnCommonCreated = async (commonId: string) => {
       ];
 
       await discussionMessageDb.addDiscussionMessage({
-        commonId: parentCommon.id,
         discussionId: parentGeneralDiscussion.docs[0].id,
         ownerName: "System",
         ownerAvatar: "",
diff --git a/functions/src/commons/business/createSystemMessagesOnCommonMemberAdded.ts b/functions/src/commons/business/createSystemMessagesOnCommonMemberAdded.ts
index 04c53f49c..edcd8a677 100644
--- a/functions/src/commons/business/createSystemMessagesOnCommonMemberAdded.ts
+++ b/functions/src/commons/business/createSystemMessagesOnCommonMemberAdded.ts
@@ -49,7 +49,6 @@ export const createSystemMessagesOnCommonMemberAdded = async (
     ];
 
     await discussionMessageDb.addDiscussionMessage({
-      commonId: common.id,
       discussionId: discussion.id,
       ownerName: "System",
       ownerAvatar: "",
diff --git a/functions/src/commons/business/createSystemMessagesOnFeedItemCreated.ts b/functions/src/commons/business/createSystemMessagesOnFeedItemCreated.ts
index 6bd1c9390..2d0c41944 100644
--- a/functions/src/commons/business/createSystemMessagesOnFeedItemCreated.ts
+++ b/functions/src/commons/business/createSystemMessagesOnFeedItemCreated.ts
@@ -93,7 +93,6 @@ export const createSystemMessagesOnFeedItemCreated = async (
     ];
 
     await discussionMessageDb.addDiscussionMessage({
-      commonId: common.id,
       discussionId: discussion.id,
       ownerName: "System",
       ownerAvatar: "",
diff --git a/functions/src/commons/eventHandlers/onCommonDeactivated.ts b/functions/src/commons/eventHandlers/onCommonDeactivated.ts
index d9bf2ba88..d47302031 100644
--- a/functions/src/commons/eventHandlers/onCommonDeactivated.ts
+++ b/functions/src/commons/eventHandlers/onCommonDeactivated.ts
@@ -104,7 +104,6 @@ async function createProjectDeletedSystemMessage(
     ];
 
     await discussionMessageDb.addDiscussionMessage({
-      commonId: parentCommonId,
       discussionId: discussion.id,
       ownerName: "System",
       ownerAvatar: "",
diff --git a/functions/src/commons/eventHandlers/onFeedItemDeleted.ts b/functions/src/commons/eventHandlers/onFeedItemDeleted.ts
index 249b0f381..a3f79c68c 100644
--- a/functions/src/commons/eventHandlers/onFeedItemDeleted.ts
+++ b/functions/src/commons/eventHandlers/onFeedItemDeleted.ts
@@ -97,7 +97,6 @@ export const onFeedItemDeleted = async (
     ];
 
     await discussionMessageDb.addDiscussionMessage({
-      commonId,
       discussionId: discussion.id,
       ownerName: "System",
       ownerAvatar: "",
diff --git a/functions/src/discussion/business/discussionMessage/setFollowForMessageUsers.ts b/functions/src/discussion/business/discussionMessage/setFollowForMessageUsers.ts
index 959c4e5b8..322ab1dd4 100644
--- a/functions/src/discussion/business/discussionMessage/setFollowForMessageUsers.ts
+++ b/functions/src/discussion/business/discussionMessage/setFollowForMessageUsers.ts
@@ -59,7 +59,7 @@ export const setFollowForMessageUsers = async (
                   feedItemId: feedObject.id,
                   emailSubscribed: true,
                   pushSubscribed: true,
-                  commonId: discussionMessage.commonId,
+                  commonId,
                 },
                 userId,
                 dbConfig
diff --git a/functions/src/discussion/controllers/discussionMessage/update.ts b/functions/src/discussion/controllers/discussionMessage/update.ts
index 1f2d6b307..be7b652c5 100644
--- a/functions/src/discussion/controllers/discussionMessage/update.ts
+++ b/functions/src/discussion/controllers/discussionMessage/update.ts
@@ -16,16 +16,14 @@ export const updateDiscussionMessage = async (
       const validatedPayload =
         await updateDiscussionMessageDataValidationScheme.validate(req.body);
 
-      const { commonId, discussionId } =
-        await discussionMessageDb.getDiscussionMessage(
-          validatedPayload.discussionMessageId,
-          true
-        );
+      const { discussionId } = await discussionMessageDb.getDiscussionMessage(
+        validatedPayload.discussionMessageId,
+        true
+      );
 
       return await updateDiscussionMessageService(
         validatedPayload,
-        discussionId,
-        commonId
+        discussionId
       );
     },
     {
diff --git a/functions/src/discussion/eventHandlers/onDiscussionCreated.ts b/functions/src/discussion/eventHandlers/onDiscussionCreated.ts
index 386daecfb..073dc141c 100644
--- a/functions/src/discussion/eventHandlers/onDiscussionCreated.ts
+++ b/functions/src/discussion/eventHandlers/onDiscussionCreated.ts
@@ -91,7 +91,6 @@ async function createInitialMessage(
   ];
   await discussionMessageDb.addDiscussionMessage(
     {
-      commonId: discussion.commonId,
       discussionId: discussion.id,
       ownerName: "System",
       ownerAvatar: "",
diff --git a/functions/src/discussion/services/discussionMessage/create.ts b/functions/src/discussion/services/discussionMessage/create.ts
index b96c2ac1f..320135bc9 100644
--- a/functions/src/discussion/services/discussionMessage/create.ts
+++ b/functions/src/discussion/services/discussionMessage/create.ts
@@ -18,7 +18,6 @@ export const createDiscussionMessageService = async (
 
   const discussionMessage = await discussionMessageDb.addDiscussionMessage({
     text: payload.text ?? "",
-    commonId: payload.commonId,
     discussionId: payload.discussionId,
     images: payload.images,
     parentId: payload.parentId,
diff --git a/functions/src/discussion/services/discussionMessage/update.ts b/functions/src/discussion/services/discussionMessage/update.ts
index 4a817e344..f1f1cec9a 100644
--- a/functions/src/discussion/services/discussionMessage/update.ts
+++ b/functions/src/discussion/services/discussionMessage/update.ts
@@ -1,6 +1,5 @@
 import { Timestamp } from "firebase-admin/firestore";
 import { isNil } from "lodash";
-import { isCommonMember } from "../../../commons/business";
 import { UpdateDiscussionMessage } from "../../../shared/schemas";
 import { discussionDb, discussionMessageDb } from "../../db";
 import { discussionMessageCollection } from "../../db/discussionMessage";
@@ -9,12 +8,12 @@ import { updateDiscussionMessageNotification } from "../../../notification/busin
 export const updateDiscussionMessageService = async (
   payload: UpdateDiscussionMessage,
   discussionId: string,
-  commonId: string
 ) => {
-  if (!isNil(payload?.mentions))
-    await Promise.all(
-      payload.mentions.map(async (uid) => isCommonMember(commonId, uid, true))
-    );
+  // TODO: check if user is member of common
+  // if (!isNil(payload?.mentions))
+  //   await Promise.all(
+  //     payload.mentions.map(async (uid) => isCommonMember(commonId, uid, true))
+  //   );
 
   await discussionMessageDb.updateDiscussionMessage(
     payload.discussionMessageId,
diff --git a/functions/src/moderation/util/items.ts b/functions/src/moderation/util/items.ts
index 1c14f30b5..a50f19ce1 100644
--- a/functions/src/moderation/util/items.ts
+++ b/functions/src/moderation/util/items.ts
@@ -21,7 +21,11 @@ export const getItemCommonId = async (
       itemId,
       true
     );
-    return message.commonId;
+    const discussion = await discussionDb.getDiscussion(
+      message.discussionId,
+      true
+    );
+    return discussion.commonId;
   }
 
   throw new Error(`Unexpected type ${type}`);
diff --git a/functions/src/notification/emailDefinitions/discussionMessageReported.ts b/functions/src/notification/emailDefinitions/discussionMessageReported.ts
index 309a8af5c..d8c0bf508 100644
--- a/functions/src/notification/emailDefinitions/discussionMessageReported.ts
+++ b/functions/src/notification/emailDefinitions/discussionMessageReported.ts
@@ -1,5 +1,5 @@
 import { commonsDb } from "../../commons/db/common";
-import { discussionMessageDb } from "../../discussion/db";
+import { discussionDb, discussionMessageDb } from "../../discussion/db";
 import { proposalsDb } from "../../proposals/db/proposals";
 import { getUserFullName } from "../../reports/utils/getUserFullName";
 import { env } from "../../shared/configs";
@@ -15,14 +15,18 @@ export const discussionMessageReported = {
       messageId,
       true
     );
+    const discussion = await discussionDb.getDiscussion(
+      discussionMessage.discussionId,
+      true
+    );
     const commonId =
-      discussionMessage.commonId ||
+      discussion.commonId ||
       (await proposalsDb.get(discussionMessage.discussionId, true))?.data.args
         .commonId;
 
-    const path = discussionMessage.commonId
-      ? `Discussions/${commonId}/${discussionMessage.discussionId}`
-      : `ProposalScreen/${commonId}/${discussionMessage.discussionId}/1`; // 1 is tabIndex of chats in ProposalScreen
+    const path = discussion.proposalId
+      ? `ProposalScreen/${commonId}/${discussionMessage.discussionId}/1` // 1 is tabIndex of chats in ProposalScreen
+      : `Discussions/${commonId}/${discussionMessage.discussionId}`;
 
     if (!discussionMessage?.moderation?.reporter)
       throw new CommonError(
diff --git a/functions/src/notification/emailDefinitions/messageCreated.ts b/functions/src/notification/emailDefinitions/messageCreated.ts
index ffde54644..ec5a6a4a5 100644
--- a/functions/src/notification/emailDefinitions/messageCreated.ts
+++ b/functions/src/notification/emailDefinitions/messageCreated.ts
@@ -32,7 +32,7 @@ export const messageCreated = {
       discussionMessage.discussionId,
       false
     );
-    const commonId = discussionMessage.commonId || proposal?.data.args.commonId;
+    const commonId = discussion.commonId || proposal?.data.args.commonId;
 
     if (isNil(commonId)) throw new Error("commonId not found");
 
@@ -41,9 +41,9 @@ export const messageCreated = {
       ? (await commonsDb.get(common?.directParent?.commonId, true)).name
       : "";
 
-    const path = discussionMessage.commonId
-      ? `Discussions/${commonId}/${discussionMessage.discussionId}`
-      : `ProposalScreen/${commonId}/${discussionMessage.discussionId}/1`; // 1 is tabIndex of chats in ProposalScreen
+    const path = discussion.proposalId
+      ? `ProposalScreen/${commonId}/${discussionMessage.discussionId}/1` // 1 is tabIndex of chats in ProposalScreen
+      : `Discussions/${commonId}/${discussionMessage.discussionId}`;
 
     let reciever = undefined;
 
diff --git a/functions/src/notification/notificationDefinitions/discussionMessageCreated.ts b/functions/src/notification/notificationDefinitions/discussionMessageCreated.ts
index aa3b9fc72..ecdd3b9f0 100644
--- a/functions/src/notification/notificationDefinitions/discussionMessageCreated.ts
+++ b/functions/src/notification/notificationDefinitions/discussionMessageCreated.ts
@@ -58,7 +58,7 @@ export const discussionMessageCreated: NotificationDefinition = {
       discussionMessage.discussionId,
       false
     );
-    const commonId = discussionMessage.commonId || proposal?.data.args.commonId;
+    const commonId = discussion.commonId || proposal?.data.args.commonId;
 
     if (isNil(commonId)) throw new Error("commonId not found");
 
@@ -187,40 +187,39 @@ export const discussionMessageCreated: NotificationDefinition = {
     discussionMessage,
   }: DiscussionMessageNotificationData) => {
     const result: NotificationUserFilter = { push: [] };
+    const discussion = await discussionDb.getDiscussion(
+      discussionMessage.discussionId,
+      true
+    );
     // Space creation message should be notified by the message in the parent common
     if (
       discussionMessage.ownerType === DiscussionMessageOwnerType.System &&
       discussionMessage.systemMessageType ===
         SystemDiscussionMessageType.CommonCreated &&
-      discussionMessage.systemMessageData.commonId ===
-        discussionMessage.commonId &&
+      discussionMessage.systemMessageData.commonId === discussion.commonId &&
       discussionMessage.systemMessageData.commonType === "space"
     ) {
       return result;
     }
 
-    const discussionId = discussionMessage.discussionId;
-    const [discussion, discussionCommon, parentDiscussionMessage] =
-      await Promise.all([
-        discussionDb.getDiscussion(discussionId, true),
-        commonsDb.get(discussionMessage.commonId, true),
-        discussionMessage.parentId
-          ? discussionMessageDb.getDiscussionMessage(
-              discussionMessage.parentId,
-              true
-            )
-          : Promise.resolve(undefined),
-      ]);
+    const [discussionCommon, parentDiscussionMessage] = await Promise.all([
+      commonsDb.get(discussion.commonId, true),
+      discussionMessage.parentId
+        ? discussionMessageDb.getDiscussionMessage(
+            discussionMessage.parentId,
+            true
+          )
+        : Promise.resolve(undefined),
+    ]);
 
     if (
       discussionMessage.ownerType === DiscussionMessageOwnerType.System &&
       discussionMessage.systemMessageType ===
         SystemDiscussionMessageType.FeedItemCreated &&
-      discussionMessage.systemMessageData.commonId ===
-        discussionMessage.commonId &&
+      discussionMessage.systemMessageData.commonId === discussion.commonId &&
       discussionCommon.directParent &&
       discussion.predefinedType === DISCUSSION_PREDEFINED_TYPES.HOME &&
-      discussionMessage.systemMessageData.feedItemType ==
+      discussionMessage.systemMessageData.feedItemType ===
         FeedObjectTypes.Discussion
     ) {
       const createdDiscussion = await discussionDb.getDiscussion(
diff --git a/functions/src/shared/interfaces/discussions/DiscussionMessage.ts b/functions/src/shared/interfaces/discussions/DiscussionMessage.ts
index 3d83ce530..a09bab38f 100644
--- a/functions/src/shared/interfaces/discussions/DiscussionMessage.ts
+++ b/functions/src/shared/interfaces/discussions/DiscussionMessage.ts
@@ -111,11 +111,6 @@ type UserDiscussionMessage = BaseDiscussionMessage & {
 };
 
 type BaseDiscussionMessage = BaseEntity & {
-  /**
-   * ID of the common which is associated with the parent discussion of this message
-   */
-  commonId: string;
-
   /**
    * ID of the parent discussion of this message, could be a Discussion ID, or a Proposal ID
    */