diff --git a/ethexe/rpc/Cargo.toml b/ethexe/rpc/Cargo.toml
index 352851766b7..8cf8f0bf0c2 100644
--- a/ethexe/rpc/Cargo.toml
+++ b/ethexe/rpc/Cargo.toml
@@ -23,7 +23,7 @@ log.workspace = true
 parity-scale-codec.workspace = true
 hex.workspace = true
 ethexe-common.workspace = true
-ethexe-runtime-common.workspace = true
+ethexe-runtime-common = { workspace = true, features = ["std"] }
 sp-core = { workspace = true, features = ["serde"] }
 gear-core = { workspace = true, features = ["std"] }
-serde.workspace = true
+serde = { workspace = true, features = ["std"] }
diff --git a/ethexe/runtime/common/Cargo.toml b/ethexe/runtime/common/Cargo.toml
index a03d747918d..aafd1a08a9a 100644
--- a/ethexe/runtime/common/Cargo.toml
+++ b/ethexe/runtime/common/Cargo.toml
@@ -13,7 +13,7 @@ ethexe-common.workspace = true
 
 gear-lazy-pages-common.workspace = true
 core-processor.workspace = true
-gear-core = { workspace = true, features = ["std"] }
+gear-core.workspace = true
 gprimitives.workspace = true
 gsys.workspace = true
 gear-core-errors.workspace = true
@@ -21,8 +21,15 @@ gear-core-errors.workspace = true
 anyhow.workspace = true
 parity-scale-codec.workspace = true
 log.workspace = true
-serde.workspace = true
+serde = { workspace = true, features = ["derive"], optional = true }
 
 [features]
 default = ["std"]
-std = ["anyhow/std", "core-processor/std", "log/std"]
+std = [
+    "anyhow/std",
+    "core-processor/std",
+    "gear-core/std",
+    "gprimitives/serde",
+    "log/std",
+    "serde/std",
+]
diff --git a/ethexe/runtime/common/src/state.rs b/ethexe/runtime/common/src/state.rs
index 0959e09d6c2..7f6f5e6c1f2 100644
--- a/ethexe/runtime/common/src/state.rs
+++ b/ethexe/runtime/common/src/state.rs
@@ -41,14 +41,14 @@ use gear_core_errors::ReplyCode;
 use gprimitives::{ActorId, CodeId, MessageId, H256};
 use gsys::BlockNumber;
 use parity_scale_codec::{Decode, Encode};
-use serde::{Deserialize, Serialize};
 
 pub use gear_core::program::ProgramState as InitStatus;
 
 /// 3h validity in mailbox for 12s blocks.
 pub const MAILBOX_VALIDITY: u32 = 54_000;
 
-#[derive(Clone, Debug, Encode, Decode, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Clone, Debug, Encode, Decode, PartialEq, Eq)]
+#[cfg_attr(feature = "std", derive(serde::Serialize, serde::Deserialize))]
 pub struct HashAndLen {
     pub hash: H256,
     pub len: NonZero<u32>,
@@ -64,7 +64,8 @@ impl From<H256> for HashAndLen {
     }
 }
 
-#[derive(Clone, Debug, Encode, Decode, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Clone, Debug, Encode, Decode, PartialEq, Eq)]
+#[cfg_attr(feature = "std", derive(serde::Serialize, serde::Deserialize))]
 pub enum MaybeHash {
     Hash(HashAndLen),
     Empty,
@@ -102,7 +103,8 @@ impl MaybeHash {
     }
 }
 
-#[derive(Clone, Debug, Decode, Encode, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Clone, Debug, Decode, Encode, PartialEq, Eq)]
+#[cfg_attr(feature = "std", derive(serde::Serialize, serde::Deserialize))]
 pub struct ActiveProgram {
     /// Hash of wasm memory pages allocations, see [`Allocations`].
     pub allocations_hash: MaybeHash,
@@ -114,7 +116,8 @@ pub struct ActiveProgram {
     pub initialized: bool,
 }
 
-#[derive(Clone, Debug, Decode, Encode, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Clone, Debug, Decode, Encode, PartialEq, Eq)]
+#[cfg_attr(feature = "std", derive(serde::Serialize, serde::Deserialize))]
 pub enum Program {
     Active(ActiveProgram),
     Exited(ProgramId),
@@ -138,7 +141,8 @@ impl Program {
 }
 
 /// ethexe program state.
-#[derive(Clone, Debug, Decode, Encode, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Clone, Debug, Decode, Encode, PartialEq, Eq)]
+#[cfg_attr(feature = "std", derive(serde::Serialize, serde::Deserialize))]
 pub struct ProgramState {
     /// Active, exited or terminated program state.
     pub program: Program,
@@ -193,7 +197,8 @@ impl ProgramState {
     }
 }
 
-#[derive(Clone, Debug, Encode, Decode, Serialize, Deserialize)]
+#[derive(Clone, Debug, Encode, Decode)]
+#[cfg_attr(feature = "std", derive(serde::Serialize, serde::Deserialize))]
 pub struct Dispatch {
     /// Message id.
     pub id: MessageId,