diff --git a/ts/groups.ts b/ts/groups.ts
index 66fb49f48..b29feb7fb 100644
--- a/ts/groups.ts
+++ b/ts/groups.ts
@@ -4953,13 +4953,6 @@ async function applyGroupChange({
       timestamp: added.timestamp,
       role: added.member.role || MEMBER_ROLE_ENUM.DEFAULT,
     };
-
-    if (added.member && added.member.profileKey) {
-      newProfileKeys.push({
-        profileKey: added.member.profileKey,
-        uuid: addedUuid,
-      });
-    }
   });
 
   // deletePendingMembers?: Array<
@@ -5597,21 +5590,7 @@ async function applyGroupState({
         }
 
         const previousMember = pendingMembers[member.member.userId];
-        if (
-          member.member.profileKey &&
-          (!previousMember ||
-            profileKeyHasChanged(
-              member.member.userId,
-              member.member.profileKey
-            ))
-        ) {
-          newProfileKeys.push({
-            profileKey: member.member.profileKey,
-            uuid: UUID.cast(member.member.userId),
-          });
-        } else if (!previousMember) {
-          otherChanges = true;
-        }
+        otherChanges = true;
 
         if (
           previousMember &&
@@ -6824,7 +6803,6 @@ type DecryptedMemberPendingProfileKey = {
   timestamp: number;
   member: {
     userId: string;
-    profileKey?: Uint8Array;
     role?: Proto.Member.Role;
   };
 };
@@ -6873,6 +6851,10 @@ function decryptMemberPendingProfileKey(
   }
 
   const { userId, profileKey } = member.member;
+  strictAssert(
+    Bytes.isEmpty(profileKey),
+    'decryptMemberPendingProfileKey: member has profileKey'
+  );
 
   // userId
   strictAssert(
@@ -6902,30 +6884,6 @@ function decryptMemberPendingProfileKey(
     return undefined;
   }
 
-  // profileKey
-  let decryptedProfileKey: Uint8Array | undefined;
-  if (Bytes.isNotEmpty(profileKey)) {
-    try {
-      decryptedProfileKey = decryptProfileKey(
-        clientZkGroupCipher,
-        profileKey,
-        UUID.cast(decryptedUserId)
-      );
-    } catch (error) {
-      log.warn(
-        `decryptMemberPendingProfileKey/${logId}: Unable to decrypt pending member profileKey. Dropping profileKey.`,
-        Errors.toLogFormat(error)
-      );
-    }
-
-    if (!isValidProfileKey(decryptedProfileKey)) {
-      log.warn(
-        `decryptMemberPendingProfileKey/${logId}: Dropping profileKey, since it was invalid`
-      );
-      decryptedProfileKey = undefined;
-    }
-  }
-
   // role
   const role = dropNull(member.member.role);
 
@@ -6939,7 +6897,6 @@ function decryptMemberPendingProfileKey(
     timestamp,
     member: {
       userId: decryptedUserId,
-      profileKey: decryptedProfileKey,
       role,
     },
   };