diff --git a/node/src/chain_spec/localnet.rs b/node/src/chain_spec/localnet.rs
index b20372e4b9..02ea8896b5 100644
--- a/node/src/chain_spec/localnet.rs
+++ b/node/src/chain_spec/localnet.rs
@@ -124,8 +124,5 @@ fn localnet_genesis(
         "evmChainId": {
             "chainId": 42,
         },
-        "subtensorModule": {
-            "startCallDelay": 10,
-        },
     })
 }
diff --git a/pallets/admin-utils/src/tests/mock.rs b/pallets/admin-utils/src/tests/mock.rs
index e1ab02d911..0117dff889 100644
--- a/pallets/admin-utils/src/tests/mock.rs
+++ b/pallets/admin-utils/src/tests/mock.rs
@@ -145,7 +145,7 @@ parameter_types! {
     pub const InitialDissolveNetworkScheduleDuration: u64 = 5 * 24 * 60 * 60 / 12; // 5 days
     pub const InitialTaoWeight: u64 = u64::MAX/10; // 10% global weight.
     pub const InitialEmaPriceHalvingPeriod: u64 = 201_600_u64; // 4 weeks
-    pub const InitialStartCallDelay: u64 = 7 * 24 * 60 * 60 / 12; // 7 days
+    pub const InitialStartCallDelay: u64 = 0; // 0 days
     pub const InitialKeySwapOnSubnetCost: u64 = 10_000_000;
     pub const HotkeySwapOnSubnetInterval: u64 = 7 * 24 * 60 * 60 / 12; // 7 days
     pub const LeaseDividendsDistributionInterval: u32 = 100; // 100 blocks
diff --git a/pallets/admin-utils/src/tests/mod.rs b/pallets/admin-utils/src/tests/mod.rs
index 365ef63ad5..93d56ec343 100644
--- a/pallets/admin-utils/src/tests/mod.rs
+++ b/pallets/admin-utils/src/tests/mod.rs
@@ -2898,10 +2898,7 @@ fn test_sudo_set_start_call_delay_permissions_and_zero_delay() {
 
         // Get initial delay value (should be non-zero)
         let initial_delay = pallet_subtensor::StartCallDelay::<Test>::get();
-        assert!(
-            initial_delay > 0,
-            "Initial delay should be greater than zero"
-        );
+        assert_eq!(initial_delay, 0);
 
         // Test 1: Non-root account should fail to set delay
         assert_noop!(
@@ -2925,20 +2922,16 @@ fn test_sudo_set_start_call_delay_permissions_and_zero_delay() {
             "Default owner should be account 0"
         );
 
-        // Test 3: Try to start the subnet immediately - should FAIL (delay not passed)
-        assert_err!(
-            pallet_subtensor::Pallet::<Test>::start_call(
-                <<Test as Config>::RuntimeOrigin>::signed(coldkey_account_id),
-                netuid
-            ),
-            pallet_subtensor::Error::<Test>::NeedWaitingMoreBlocksToStarCall
-        );
+        // Test 3: Can successfully start the subnet immediately
+        assert_ok!(pallet_subtensor::Pallet::<Test>::start_call(
+            <<Test as Config>::RuntimeOrigin>::signed(coldkey_account_id),
+            netuid
+        ));
 
-        // Verify emission has not been set
-        assert_eq!(
-            pallet_subtensor::FirstEmissionBlockNumber::<Test>::get(netuid),
-            None,
-            "Emission should not be set yet"
+        // Verify emission has been set
+        assert!(
+            pallet_subtensor::FirstEmissionBlockNumber::<Test>::get(netuid).is_some(),
+            "Emission should be set"
         );
 
         // Test 4: Root sets delay to zero
@@ -2957,12 +2950,15 @@ fn test_sudo_set_start_call_delay_permissions_and_zero_delay() {
             pallet_subtensor::Event::StartCallDelaySet(0),
         ));
 
-        // Test 5: Try to start the subnet again - should SUCCEED (delay is now zero)
+        // Test 5: Try to start the subnet again - should be FAILED (first emission block already set)
         let current_block = frame_system::Pallet::<Test>::block_number();
-        assert_ok!(pallet_subtensor::Pallet::<Test>::start_call(
-            <<Test as Config>::RuntimeOrigin>::signed(coldkey_account_id),
-            netuid
-        ));
+        assert_err!(
+            pallet_subtensor::Pallet::<Test>::start_call(
+                <<Test as Config>::RuntimeOrigin>::signed(coldkey_account_id),
+                netuid
+            ),
+            pallet_subtensor::Error::<Test>::FirstEmissionBlockNumberAlreadySet
+        );
 
         assert_eq!(
             pallet_subtensor::FirstEmissionBlockNumber::<Test>::get(netuid),
diff --git a/pallets/subtensor/src/tests/mock.rs b/pallets/subtensor/src/tests/mock.rs
index c33be9068c..b744c9b771 100644
--- a/pallets/subtensor/src/tests/mock.rs
+++ b/pallets/subtensor/src/tests/mock.rs
@@ -218,7 +218,7 @@ parameter_types! {
     pub const InitialDissolveNetworkScheduleDuration: u64 =  5 * 24 * 60 * 60 / 12; // Default as 5 days
     pub const InitialTaoWeight: u64 = 0; // 100% global weight.
     pub const InitialEmaPriceHalvingPeriod: u64 = 201_600_u64; // 4 weeks
-    pub const InitialStartCallDelay: u64 =  7 * 24 * 60 * 60 / 12; // Default as 7 days
+    pub const InitialStartCallDelay: u64 =  0; // 0 days
     pub const InitialKeySwapOnSubnetCost: u64 = 10_000_000;
     pub const HotkeySwapOnSubnetInterval: u64 = 15; // 15 block, should be bigger than subnet number, then trigger clean up for all subnets
     pub const MaxContributorsPerLeaseToRemove: u32 = 3;
diff --git a/pallets/subtensor/src/tests/subnet.rs b/pallets/subtensor/src/tests/subnet.rs
index 456c33ce65..a547b30a14 100644
--- a/pallets/subtensor/src/tests/subnet.rs
+++ b/pallets/subtensor/src/tests/subnet.rs
@@ -89,7 +89,7 @@ fn test_do_start_call_fail_not_owner() {
 }
 
 #[test]
-fn test_do_start_call_fail_with_cannot_start_call_now() {
+fn test_do_start_call_can_start_now() {
     new_test_ext(0).execute_with(|| {
         let netuid = NetUid::from(1);
         let tempo: u16 = 13;
@@ -106,13 +106,10 @@ fn test_do_start_call_fail_with_cannot_start_call_now() {
 
         assert_eq!(SubnetOwner::<Test>::get(netuid), coldkey_account_id);
 
-        assert_noop!(
-            SubtensorModule::start_call(
-                <<Test as Config>::RuntimeOrigin>::signed(coldkey_account_id),
-                netuid
-            ),
-            Error::<Test>::NeedWaitingMoreBlocksToStarCall
-        );
+        assert_ok!(SubtensorModule::start_call(
+            <<Test as Config>::RuntimeOrigin>::signed(coldkey_account_id),
+            netuid
+        ));
     });
 }
 
diff --git a/pallets/transaction-fee/src/tests/mock.rs b/pallets/transaction-fee/src/tests/mock.rs
index 75e90346b4..3bad4a275f 100644
--- a/pallets/transaction-fee/src/tests/mock.rs
+++ b/pallets/transaction-fee/src/tests/mock.rs
@@ -210,7 +210,7 @@ parameter_types! {
     pub const InitialDissolveNetworkScheduleDuration: u64 = 5 * 24 * 60 * 60 / 12; // 5 days
     pub const InitialTaoWeight: u64 = u64::MAX/10; // 10% global weight.
     pub const InitialEmaPriceHalvingPeriod: u64 = 201_600_u64; // 4 weeks
-    pub const InitialStartCallDelay: u64 = 7 * 24 * 60 * 60 / 12; // 7 days
+    pub const InitialStartCallDelay: u64 = 0; // 0 days
     pub const InitialKeySwapOnSubnetCost: u64 = 10_000_000;
     pub const HotkeySwapOnSubnetInterval: u64 = 7 * 24 * 60 * 60 / 12; // 7 days
     pub const LeaseDividendsDistributionInterval: u32 = 100; // 100 blocks
diff --git a/runtime/src/lib.rs b/runtime/src/lib.rs
index 99be2f09d3..df2d8638c9 100644
--- a/runtime/src/lib.rs
+++ b/runtime/src/lib.rs
@@ -1057,8 +1057,8 @@ parameter_types! {
     pub const InitialDissolveNetworkScheduleDuration: BlockNumber = 5 * 24 * 60 * 60 / 12; // 5 days
     pub const SubtensorInitialTaoWeight: u64 = 971_718_665_099_567_868; // 0.05267697438728329% tao weight.
     pub const InitialEmaPriceHalvingPeriod: u64 = 201_600_u64; // 4 weeks
-    // 7 * 24 * 60 * 60 / 12 = 7 days
-    pub const InitialStartCallDelay: u64 = prod_or_fast!(7 * 24 * 60 * 60 / 12, 10);
+    // 0 days
+    pub const InitialStartCallDelay: u64 = prod_or_fast!(0, 0);
     pub const SubtensorInitialKeySwapOnSubnetCost: u64 = 1_000_000; // 0.001 TAO
     pub const HotkeySwapOnSubnetInterval : BlockNumber = 5 * 24 * 60 * 60 / 12; // 5 days
     pub const LeaseDividendsDistributionInterval: BlockNumber = 100; // 100 blocks