diff --git a/crates/pallet-subspace/src/lib.rs b/crates/pallet-subspace/src/lib.rs
index 5c68ababc0..b1dd52d7d4 100644
--- a/crates/pallet-subspace/src/lib.rs
+++ b/crates/pallet-subspace/src/lib.rs
@@ -371,8 +371,6 @@ pub mod pallet {
     pub enum Error<T> {
         /// Solution range adjustment already enabled.
         SolutionRangeAdjustmentAlreadyEnabled,
-        /// Rewards already active.
-        RewardsAlreadyEnabled,
         /// Iterations are not multiple of number of checkpoints times two
         NotMultipleOfCheckpoints,
         /// Proof of time slot iterations must increase as hardware improves
@@ -1116,10 +1114,6 @@ impl<T: Config> Pallet<T> {
     fn do_enable_rewards_at(
         enable_rewards_at: EnableRewardsAt<BlockNumberFor<T>>,
     ) -> DispatchResult {
-        if EnableRewards::<T>::get().is_some() {
-            return Err(Error::<T>::RewardsAlreadyEnabled.into());
-        }
-
         match enable_rewards_at {
             EnableRewardsAt::Height(block_number) => {
                 // Enable rewards at a particular block height (default to the next block after
diff --git a/crates/subspace-runtime/src/lib.rs b/crates/subspace-runtime/src/lib.rs
index d71743c48e..61406da07b 100644
--- a/crates/subspace-runtime/src/lib.rs
+++ b/crates/subspace-runtime/src/lib.rs
@@ -130,7 +130,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     spec_name: Cow::Borrowed("subspace"),
     impl_name: Cow::Borrowed("subspace"),
     authoring_version: 0,
-    spec_version: 0,
+    spec_version: 1,
     impl_version: 0,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 0,