diff --git a/backend/canisters/community/impl/src/lib.rs b/backend/canisters/community/impl/src/lib.rs
index 978fff0c69..6cf8f1ab99 100644
--- a/backend/canisters/community/impl/src/lib.rs
+++ b/backend/canisters/community/impl/src/lib.rs
@@ -366,9 +366,7 @@ struct Data {
     expiring_member_actions: ExpiringMemberActions,
     user_cache: UserCache,
     user_event_sync_queue: GroupedTimerJobQueue<UserEventBatch>,
-    #[serde(default)]
     stable_memory_keys_to_garbage_collect: Vec<KeyPrefix>,
-    #[serde(skip_deserializing)]
     members_migrated_to_stable_memory: bool,
     #[serde(default)]
     bot_permissions: BTreeMap<UserId, SlashCommandPermissions>,
diff --git a/backend/canisters/community/impl/src/lifecycle/post_upgrade.rs b/backend/canisters/community/impl/src/lifecycle/post_upgrade.rs
index 9dbb020c75..3448da4be1 100644
--- a/backend/canisters/community/impl/src/lifecycle/post_upgrade.rs
+++ b/backend/canisters/community/impl/src/lifecycle/post_upgrade.rs
@@ -1,8 +1,8 @@
 use crate::jobs::import_groups::finalize_group_import;
 use crate::lifecycle::{init_env, init_state};
 use crate::memory::{get_stable_memory_map_memory, get_upgrades_memory};
-use crate::timer_job_types::MigrateMembersToStableMemoryJob;
-use crate::{read_state, Data};
+use crate::timer_job_types::{MigrateMembersToStableMemoryJob, TimerJob};
+use crate::{mutate_state, read_state, Data};
 use canister_logger::LogEntry;
 use canister_timer_jobs::Job;
 use canister_tracing_macros::trace;
@@ -54,5 +54,12 @@ fn post_upgrade(args: Args) {
             .record_instructions_count(InstructionCountFunctionId::PostUpgrade, now)
     });
 
+    mutate_state(|state| {
+        state
+            .data
+            .timer_jobs
+            .cancel_jobs(|j| matches!(j, TimerJob::MigrateMembersToStableMemory(_)));
+    });
+
     MigrateMembersToStableMemoryJob.execute();
 }
diff --git a/backend/canisters/community/impl/src/model/members.rs b/backend/canisters/community/impl/src/model/members.rs
index 038db21d3a..7e2cb4646f 100644
--- a/backend/canisters/community/impl/src/model/members.rs
+++ b/backend/canisters/community/impl/src/model/members.rs
@@ -38,9 +38,7 @@ pub struct CommunityMembers {
     members_with_display_names: BTreeSet<UserId>,
     members_with_referrals: BTreeSet<UserId>,
     updates: BTreeSet<(TimestampMillis, UserId, MemberUpdate)>,
-    #[serde(skip_deserializing)]
     migrate_to_stable_memory_queue: VecDeque<UserId>,
-    #[serde(skip_deserializing)]
     migration_to_stable_memory_complete: bool,
 }
 
diff --git a/backend/canisters/group/impl/src/lib.rs b/backend/canisters/group/impl/src/lib.rs
index 8213e371ab..1daeee6e0d 100644
--- a/backend/canisters/group/impl/src/lib.rs
+++ b/backend/canisters/group/impl/src/lib.rs
@@ -471,7 +471,6 @@ struct Data {
     expiring_member_actions: ExpiringMemberActions,
     user_cache: UserCache,
     user_event_sync_queue: GroupedTimerJobQueue<UserEventBatch>,
-    #[serde(skip_deserializing)]
     members_migrated_to_stable_memory: bool,
     stable_memory_keys_to_garbage_collect: Vec<KeyPrefix>,
     #[serde(default)]
diff --git a/backend/libraries/group_chat_core/src/members.rs b/backend/libraries/group_chat_core/src/members.rs
index e6bd04b92d..0b1914477d 100644
--- a/backend/libraries/group_chat_core/src/members.rs
+++ b/backend/libraries/group_chat_core/src/members.rs
@@ -41,9 +41,7 @@ pub struct GroupMembers {
     suspended: BTreeSet<UserId>,
     updates: BTreeSet<(TimestampMillis, UserId, MemberUpdate)>,
     latest_update_removed: TimestampMillis,
-    #[serde(skip_deserializing)]
     migrate_to_stable_memory_queue: VecDeque<UserId>,
-    #[serde(skip_deserializing)]
     migration_to_stable_memory_complete: bool,
 }