diff --git a/zrml/global-disputes/src/lib.rs b/zrml/global-disputes/src/lib.rs
index 4ac07e4c0..03b5b0bc2 100644
--- a/zrml/global-disputes/src/lib.rs
+++ b/zrml/global-disputes/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2022-2023 Forecasting Technologies LTD.
+// Copyright 2022-2024 Forecasting Technologies LTD.
 //
 // This file is part of Zeitgeist.
 //
@@ -80,9 +80,6 @@ mod pallet {
     pub type LockInfoOf<T> =
         BoundedVec<(MarketIdOf<T>, BalanceOf<T>), <T as Config>::MaxGlobalDisputeVotes>;
 
-    // TODO(#968): to remove after the storage migration
-    pub type WinnerInfoOf<T> = OldWinnerInfo<BalanceOf<T>, OwnerInfoOf<T>>;
-
     /// The current storage version.
     const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);
     const LOG_TARGET: &str = "runtime::zrml-global-disputes";
@@ -181,11 +178,6 @@ mod pallet {
     pub type GlobalDisputesInfo<T: Config> =
         StorageMap<_, Twox64Concat, MarketIdOf<T>, GlobalDisputeInfoOf<T>, OptionQuery>;
 
-    // TODO(#986): to remove after the storage migration
-    #[pallet::storage]
-    pub type Winners<T: Config> =
-        StorageMap<_, Twox64Concat, MarketIdOf<T>, WinnerInfoOf<T>, OptionQuery>;
-
     #[pallet::event]
     #[pallet::generate_deposit(fn deposit_event)]
     pub enum Event<T>
diff --git a/zrml/global-disputes/src/types.rs b/zrml/global-disputes/src/types.rs
index 10c83a49b..de9f4d14c 100644
--- a/zrml/global-disputes/src/types.rs
+++ b/zrml/global-disputes/src/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2022-2023 Forecasting Technologies LTD.
+// Copyright 2022-2024 Forecasting Technologies LTD.
 //
 // This file is part of Zeitgeist.
 //
@@ -93,35 +93,6 @@ pub enum GdStatus<BlockNumber> {
     Destroyed,
 }
 
-// TODO(#986): to remove after the storage migration
-
-/// The information about a voting outcome of a global dispute.
-#[derive(Debug, TypeInfo, Decode, Encode, MaxEncodedLen, Clone, PartialEq, Eq)]
-pub struct OldOutcomeInfo<Balance, OwnerInfo> {
-    /// The current sum of all locks on this outcome.
-    pub outcome_sum: Balance,
-    /// The vector of owners of the outcome.
-    pub owners: OwnerInfo,
-}
-
-/// The information about the current highest winning outcome.
-#[derive(TypeInfo, Decode, Encode, MaxEncodedLen, Clone, PartialEq, Eq)]
-pub struct OldWinnerInfo<Balance, OwnerInfo> {
-    /// The outcome, which is in the lead.
-    pub outcome: OutcomeReport,
-    /// The information about the winning outcome.
-    pub outcome_info: OldOutcomeInfo<Balance, OwnerInfo>,
-    /// Check, if the global dispute is finished.
-    pub is_finished: bool,
-}
-
-impl<Balance: Saturating, OwnerInfo: Default> OldWinnerInfo<Balance, OwnerInfo> {
-    pub fn new(outcome: OutcomeReport, vote_sum: Balance) -> Self {
-        let outcome_info = OldOutcomeInfo { outcome_sum: vote_sum, owners: Default::default() };
-        OldWinnerInfo { outcome, is_finished: false, outcome_info }
-    }
-}
-
 /// An initial vote outcome item with the outcome owner and the initial vote amount.
 pub struct InitialItem<AccountId, Balance> {
     /// The outcome which is added as initial global dispute vote possibility.