diff --git a/programs/svm-spoke/src/common/v3_relay_data.rs b/programs/svm-spoke/src/common/v3_relay_data.rs
index 538c9a27f..b8610a1c3 100644
--- a/programs/svm-spoke/src/common/v3_relay_data.rs
+++ b/programs/svm-spoke/src/common/v3_relay_data.rs
@@ -1,6 +1,6 @@
 use anchor_lang::prelude::*;
 
-#[derive(AnchorSerialize, AnchorDeserialize, Clone, InitSpace)]
+#[derive(AnchorSerialize, AnchorDeserialize, Clone)]
 pub struct V3RelayData {
     pub depositor: Pubkey,
     pub recipient: Pubkey,
@@ -13,6 +13,5 @@ pub struct V3RelayData {
     pub deposit_id: [u8; 32],
     pub fill_deadline: u32,
     pub exclusivity_deadline: u32,
-    #[max_len(0)]
     pub message: Vec<u8>,
 }
diff --git a/programs/svm-spoke/src/instructions/bundle.rs b/programs/svm-spoke/src/instructions/bundle.rs
index 0e00ace0a..69a4cbc2f 100644
--- a/programs/svm-spoke/src/instructions/bundle.rs
+++ b/programs/svm-spoke/src/instructions/bundle.rs
@@ -65,15 +65,13 @@ pub struct ExecuteRelayerRefundLeaf<'info> {
     pub system_program: Program<'info, System>,
 }
 
-#[derive(AnchorSerialize, AnchorDeserialize, Clone, InitSpace)]
+#[derive(AnchorSerialize, AnchorDeserialize, Clone)]
 pub struct RelayerRefundLeaf {
     pub amount_to_return: u64,
     pub chain_id: u64,
-    #[max_len(0)]
     pub refund_amounts: Vec<u64>,
     pub leaf_id: u32,
     pub mint_public_key: Pubkey,
-    #[max_len(0)]
     pub refund_addresses: Vec<Pubkey>,
 }
 
diff --git a/programs/svm-spoke/src/instructions/slow_fill.rs b/programs/svm-spoke/src/instructions/slow_fill.rs
index a1f970c69..5485082db 100644
--- a/programs/svm-spoke/src/instructions/slow_fill.rs
+++ b/programs/svm-spoke/src/instructions/slow_fill.rs
@@ -105,7 +105,7 @@ fn unwrap_request_v3_slow_fill_params(
     }
 }
 
-#[derive(AnchorSerialize, AnchorDeserialize, Clone, InitSpace)]
+#[derive(AnchorSerialize, AnchorDeserialize, Clone)]
 pub struct V3SlowFill {
     pub relay_data: V3RelayData,
     pub chain_id: u64,
diff --git a/programs/svm-spoke/src/state/instruction_params.rs b/programs/svm-spoke/src/state/instruction_params.rs
index 5b8feeef3..276348ed5 100644
--- a/programs/svm-spoke/src/state/instruction_params.rs
+++ b/programs/svm-spoke/src/state/instruction_params.rs
@@ -3,16 +3,13 @@ use anchor_lang::prelude::*;
 use crate::{RelayerRefundLeaf, V3RelayData, V3SlowFill};
 
 #[account]
-#[derive(InitSpace)]
 pub struct ExecuteRelayerRefundLeafParams {
     pub root_bundle_id: u32,                    // ID of the root bundle to be used.
     pub relayer_refund_leaf: RelayerRefundLeaf, // Leaf to be verified against the proof and instruct bundle execution.
-    #[max_len(0)]
-    pub proof: Vec<[u8; 32]>,  // Proof to verify the leaf's inclusion in relayer refund merkle tree.
+    pub proof: Vec<[u8; 32]>,                   // Proof to verify the leaf's inclusion in relayer refund merkle tree.
 }
 
 #[account]
-#[derive(InitSpace)]
 pub struct FillV3RelayParams {
     pub relay_data: V3RelayData,
     pub repayment_chain_id: u64,
@@ -20,16 +17,13 @@ pub struct FillV3RelayParams {
 }
 
 #[account]
-#[derive(InitSpace)]
 pub struct RequestV3SlowFillParams {
     pub relay_data: V3RelayData,
 }
 
 #[account]
-#[derive(InitSpace)]
 pub struct ExecuteV3SlowRelayLeafParams {
     pub slow_fill_leaf: V3SlowFill,
     pub root_bundle_id: u32,
-    #[max_len(0)]
     pub proof: Vec<[u8; 32]>,
 }