diff --git a/sdk/src/types/block/output/account.rs b/sdk/src/types/block/output/account.rs
index 3dee4b05f3..e389d899c8 100644
--- a/sdk/src/types/block/output/account.rs
+++ b/sdk/src/types/block/output/account.rs
@@ -1,7 +1,7 @@
 // Copyright 2021 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
-use alloc::{collections::BTreeSet, vec::Vec};
+use alloc::collections::BTreeSet;
 
 use hashbrown::HashMap;
 use packable::{
@@ -11,24 +11,19 @@ use packable::{
     Packable,
 };
 
-use crate::types::{
-    block::{
-        address::{AccountAddress, Address},
-        output::{
-            feature::{verify_allowed_features, Feature, FeatureFlags, Features},
-            unlock_condition::{
-                verify_allowed_unlock_conditions, UnlockCondition, UnlockConditionFlags, UnlockConditions,
-            },
-            verify_output_amount_min, verify_output_amount_packable, ChainId, NativeToken, NativeTokens, Output,
-            OutputBuilderAmount, OutputId, Rent, RentStructure, StateTransitionError, StateTransitionVerifier,
-        },
-        payload::signed_transaction::TransactionCapabilityFlag,
-        protocol::ProtocolParameters,
-        semantic::{SemanticValidationContext, TransactionFailureReason},
-        unlock::Unlock,
-        Error,
+use crate::types::block::{
+    address::{AccountAddress, Address},
+    output::{
+        feature::{verify_allowed_features, Feature, FeatureFlags, Features},
+        unlock_condition::{verify_allowed_unlock_conditions, UnlockCondition, UnlockConditionFlags, UnlockConditions},
+        verify_output_amount_min, verify_output_amount_packable, ChainId, NativeToken, NativeTokens, Output,
+        OutputBuilderAmount, OutputId, Rent, RentStructure, StateTransitionError, StateTransitionVerifier,
     },
-    ValidationParams,
+    payload::signed_transaction::TransactionCapabilityFlag,
+    protocol::ProtocolParameters,
+    semantic::{SemanticValidationContext, TransactionFailureReason},
+    unlock::Unlock,
+    Error,
 };
 
 crate::impl_id!(
@@ -623,13 +618,15 @@ fn verify_unlock_conditions(unlock_conditions: &UnlockConditions, account_id: &A
 
 #[cfg(feature = "serde")]
 pub(crate) mod dto {
+    use alloc::vec::Vec;
+
     use serde::{Deserialize, Serialize};
 
     use super::*;
     use crate::{
         types::{
             block::{output::unlock_condition::dto::UnlockConditionDto, Error},
-            TryFromDto,
+            TryFromDto, ValidationParams,
         },
         utils::serde::string,
     };
diff --git a/sdk/src/types/block/output/anchor.rs b/sdk/src/types/block/output/anchor.rs
index 8dccff6276..e6d5c03e8d 100644
--- a/sdk/src/types/block/output/anchor.rs
+++ b/sdk/src/types/block/output/anchor.rs
@@ -13,24 +13,19 @@ use packable::{
     Packable,
 };
 
-use crate::types::{
-    block::{
-        address::{Address, AnchorAddress},
-        output::{
-            feature::{verify_allowed_features, Feature, FeatureFlags, Features},
-            unlock_condition::{
-                verify_allowed_unlock_conditions, UnlockCondition, UnlockConditionFlags, UnlockConditions,
-            },
-            verify_output_amount_min, verify_output_amount_packable, ChainId, NativeToken, NativeTokens, Output,
-            OutputBuilderAmount, OutputId, Rent, RentStructure, StateTransitionError, StateTransitionVerifier,
-        },
-        payload::signed_transaction::TransactionCapabilityFlag,
-        protocol::ProtocolParameters,
-        semantic::{SemanticValidationContext, TransactionFailureReason},
-        unlock::Unlock,
-        Error,
+use crate::types::block::{
+    address::{Address, AnchorAddress},
+    output::{
+        feature::{verify_allowed_features, Feature, FeatureFlags, Features},
+        unlock_condition::{verify_allowed_unlock_conditions, UnlockCondition, UnlockConditionFlags, UnlockConditions},
+        verify_output_amount_min, verify_output_amount_packable, ChainId, NativeToken, NativeTokens, Output,
+        OutputBuilderAmount, OutputId, Rent, RentStructure, StateTransitionError, StateTransitionVerifier,
     },
-    ValidationParams,
+    payload::signed_transaction::TransactionCapabilityFlag,
+    protocol::ProtocolParameters,
+    semantic::{SemanticValidationContext, TransactionFailureReason},
+    unlock::Unlock,
+    Error,
 };
 
 crate::impl_id!(
@@ -711,7 +706,7 @@ pub(crate) mod dto {
     use crate::{
         types::{
             block::{output::unlock_condition::dto::UnlockConditionDto, Error},
-            TryFromDto,
+            TryFromDto, ValidationParams,
         },
         utils::serde::{prefix_hex_bytes, string},
     };
diff --git a/sdk/src/types/block/output/basic.rs b/sdk/src/types/block/output/basic.rs
index 7b99c1c574..9b104a4022 100644
--- a/sdk/src/types/block/output/basic.rs
+++ b/sdk/src/types/block/output/basic.rs
@@ -5,23 +5,18 @@ use alloc::collections::BTreeSet;
 
 use packable::Packable;
 
-use crate::types::{
-    block::{
-        address::Address,
-        output::{
-            feature::{verify_allowed_features, Feature, FeatureFlags, Features},
-            unlock_condition::{
-                verify_allowed_unlock_conditions, UnlockCondition, UnlockConditionFlags, UnlockConditions,
-            },
-            verify_output_amount_min, verify_output_amount_packable, NativeToken, NativeTokens, Output,
-            OutputBuilderAmount, OutputId, Rent, RentStructure,
-        },
-        protocol::ProtocolParameters,
-        semantic::{SemanticValidationContext, TransactionFailureReason},
-        unlock::Unlock,
-        Error,
+use crate::types::block::{
+    address::Address,
+    output::{
+        feature::{verify_allowed_features, Feature, FeatureFlags, Features},
+        unlock_condition::{verify_allowed_unlock_conditions, UnlockCondition, UnlockConditionFlags, UnlockConditions},
+        verify_output_amount_min, verify_output_amount_packable, NativeToken, NativeTokens, Output,
+        OutputBuilderAmount, OutputId, Rent, RentStructure,
     },
-    ValidationParams,
+    protocol::ProtocolParameters,
+    semantic::{SemanticValidationContext, TransactionFailureReason},
+    unlock::Unlock,
+    Error,
 };
 
 /// Builder for a [`BasicOutput`].
@@ -361,7 +356,7 @@ pub(crate) mod dto {
     use crate::{
         types::{
             block::{output::unlock_condition::dto::UnlockConditionDto, Error},
-            TryFromDto,
+            TryFromDto, ValidationParams,
         },
         utils::serde::string,
     };
diff --git a/sdk/src/types/block/output/delegation.rs b/sdk/src/types/block/output/delegation.rs
index 0097d54dc4..1562a35169 100644
--- a/sdk/src/types/block/output/delegation.rs
+++ b/sdk/src/types/block/output/delegation.rs
@@ -5,24 +5,19 @@ use alloc::collections::BTreeSet;
 
 use packable::Packable;
 
-use crate::types::{
-    block::{
-        address::{AccountAddress, Address},
-        output::{
-            chain_id::ChainId,
-            unlock_condition::{
-                verify_allowed_unlock_conditions, UnlockCondition, UnlockConditionFlags, UnlockConditions,
-            },
-            verify_output_amount_min, verify_output_amount_packable, Output, OutputBuilderAmount, OutputId, Rent,
-            RentStructure, StateTransitionError, StateTransitionVerifier,
-        },
-        protocol::ProtocolParameters,
-        semantic::{SemanticValidationContext, TransactionFailureReason},
-        slot::EpochIndex,
-        unlock::Unlock,
-        Error,
+use crate::types::block::{
+    address::{AccountAddress, Address},
+    output::{
+        chain_id::ChainId,
+        unlock_condition::{verify_allowed_unlock_conditions, UnlockCondition, UnlockConditionFlags, UnlockConditions},
+        verify_output_amount_min, verify_output_amount_packable, Output, OutputBuilderAmount, OutputId, Rent,
+        RentStructure, StateTransitionError, StateTransitionVerifier,
     },
-    ValidationParams,
+    protocol::ProtocolParameters,
+    semantic::{SemanticValidationContext, TransactionFailureReason},
+    slot::EpochIndex,
+    unlock::Unlock,
+    Error,
 };
 
 crate::impl_id!(
@@ -442,7 +437,7 @@ pub(crate) mod dto {
                 output::{unlock_condition::dto::UnlockConditionDto, OutputBuilderAmount},
                 Error,
             },
-            TryFromDto,
+            TryFromDto, ValidationParams,
         },
         utils::serde::string,
     };
diff --git a/sdk/src/types/block/output/foundry.rs b/sdk/src/types/block/output/foundry.rs
index f979bc1a5d..f918872ca5 100644
--- a/sdk/src/types/block/output/foundry.rs
+++ b/sdk/src/types/block/output/foundry.rs
@@ -12,26 +12,21 @@ use packable::{
 };
 use primitive_types::U256;
 
-use crate::types::{
-    block::{
-        address::{AccountAddress, Address},
-        output::{
-            account::AccountId,
-            feature::{verify_allowed_features, Feature, FeatureFlags, Features},
-            unlock_condition::{
-                verify_allowed_unlock_conditions, UnlockCondition, UnlockConditionFlags, UnlockConditions,
-            },
-            verify_output_amount_min, verify_output_amount_packable, ChainId, NativeToken, NativeTokens, Output,
-            OutputBuilderAmount, OutputId, Rent, RentStructure, StateTransitionError, StateTransitionVerifier, TokenId,
-            TokenScheme,
-        },
-        payload::signed_transaction::{TransactionCapabilities, TransactionCapabilityFlag},
-        protocol::ProtocolParameters,
-        semantic::{SemanticValidationContext, TransactionFailureReason},
-        unlock::Unlock,
-        Error,
+use crate::types::block::{
+    address::{AccountAddress, Address},
+    output::{
+        account::AccountId,
+        feature::{verify_allowed_features, Feature, FeatureFlags, Features},
+        unlock_condition::{verify_allowed_unlock_conditions, UnlockCondition, UnlockConditionFlags, UnlockConditions},
+        verify_output_amount_min, verify_output_amount_packable, ChainId, NativeToken, NativeTokens, Output,
+        OutputBuilderAmount, OutputId, Rent, RentStructure, StateTransitionError, StateTransitionVerifier, TokenId,
+        TokenScheme,
     },
-    ValidationParams,
+    payload::signed_transaction::{TransactionCapabilities, TransactionCapabilityFlag},
+    protocol::ProtocolParameters,
+    semantic::{SemanticValidationContext, TransactionFailureReason},
+    unlock::Unlock,
+    Error,
 };
 
 crate::impl_id!(
@@ -679,7 +674,7 @@ pub(crate) mod dto {
     use crate::{
         types::{
             block::{output::unlock_condition::dto::UnlockConditionDto, Error},
-            TryFromDto,
+            TryFromDto, ValidationParams,
         },
         utils::serde::string,
     };
diff --git a/sdk/src/types/block/output/nft.rs b/sdk/src/types/block/output/nft.rs
index 28c32ff138..599d451d07 100644
--- a/sdk/src/types/block/output/nft.rs
+++ b/sdk/src/types/block/output/nft.rs
@@ -10,24 +10,19 @@ use packable::{
     Packable,
 };
 
-use crate::types::{
-    block::{
-        address::{Address, NftAddress},
-        output::{
-            feature::{verify_allowed_features, Feature, FeatureFlags, Features},
-            unlock_condition::{
-                verify_allowed_unlock_conditions, UnlockCondition, UnlockConditionFlags, UnlockConditions,
-            },
-            verify_output_amount_min, verify_output_amount_packable, ChainId, NativeToken, NativeTokens, Output,
-            OutputBuilderAmount, OutputId, Rent, RentStructure, StateTransitionError, StateTransitionVerifier,
-        },
-        payload::signed_transaction::TransactionCapabilityFlag,
-        protocol::ProtocolParameters,
-        semantic::{SemanticValidationContext, TransactionFailureReason},
-        unlock::Unlock,
-        Error,
+use crate::types::block::{
+    address::{Address, NftAddress},
+    output::{
+        feature::{verify_allowed_features, Feature, FeatureFlags, Features},
+        unlock_condition::{verify_allowed_unlock_conditions, UnlockCondition, UnlockConditionFlags, UnlockConditions},
+        verify_output_amount_min, verify_output_amount_packable, ChainId, NativeToken, NativeTokens, Output,
+        OutputBuilderAmount, OutputId, Rent, RentStructure, StateTransitionError, StateTransitionVerifier,
     },
-    ValidationParams,
+    payload::signed_transaction::TransactionCapabilityFlag,
+    protocol::ProtocolParameters,
+    semantic::{SemanticValidationContext, TransactionFailureReason},
+    unlock::Unlock,
+    Error,
 };
 
 crate::impl_id!(
@@ -541,7 +536,7 @@ pub(crate) mod dto {
     use crate::{
         types::{
             block::{output::unlock_condition::dto::UnlockConditionDto, Error},
-            TryFromDto,
+            TryFromDto, ValidationParams,
         },
         utils::serde::string,
     };
diff --git a/sdk/src/types/block/unlock/account.rs b/sdk/src/types/block/unlock/account.rs
index 25ade32fcd..f8f7872ac3 100644
--- a/sdk/src/types/block/unlock/account.rs
+++ b/sdk/src/types/block/unlock/account.rs
@@ -36,6 +36,7 @@ impl AccountUnlock {
     }
 }
 
+#[cfg(feature = "serde")]
 mod dto {
     use serde::{Deserialize, Serialize};
 
diff --git a/sdk/src/types/block/unlock/anchor.rs b/sdk/src/types/block/unlock/anchor.rs
index cc9f6d9e64..aad3c49b78 100644
--- a/sdk/src/types/block/unlock/anchor.rs
+++ b/sdk/src/types/block/unlock/anchor.rs
@@ -36,6 +36,7 @@ impl AnchorUnlock {
     }
 }
 
+#[cfg(feature = "serde")]
 mod dto {
     use serde::{Deserialize, Serialize};
 
diff --git a/sdk/src/types/block/unlock/empty.rs b/sdk/src/types/block/unlock/empty.rs
index a4b89ff15a..2449e7668f 100644
--- a/sdk/src/types/block/unlock/empty.rs
+++ b/sdk/src/types/block/unlock/empty.rs
@@ -11,6 +11,7 @@ impl EmptyUnlock {
     pub const KIND: u8 = 6;
 }
 
+#[cfg(feature = "serde")]
 mod dto {
     use serde::{Deserialize, Serialize};
 
diff --git a/sdk/src/types/block/unlock/multi.rs b/sdk/src/types/block/unlock/multi.rs
index 024a9d8c88..99a2f2f0fd 100644
--- a/sdk/src/types/block/unlock/multi.rs
+++ b/sdk/src/types/block/unlock/multi.rs
@@ -1,7 +1,7 @@
 // Copyright 2023 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
-use alloc::{boxed::Box, vec::Vec};
+use alloc::boxed::Box;
 
 use derive_more::Deref;
 use packable::{prefix::BoxedSlicePrefix, Packable};
@@ -46,7 +46,10 @@ fn verify_unlocks<const VERIFY: bool>(unlocks: &[Unlock], _visitor: &()) -> Resu
     }
 }
 
+#[cfg(feature = "serde")]
 mod dto {
+    use alloc::vec::Vec;
+
     use serde::{Deserialize, Serialize};
 
     use super::*;