diff --git a/Cargo.lock b/Cargo.lock
index 3f401a58d..dc13bcc0d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9505,7 +9505,6 @@ dependencies = [
  "duct",
  "flate2",
  "glob",
- "hex",
  "indexmap 2.7.0",
  "mockito",
  "pop-common",
diff --git a/Cargo.toml b/Cargo.toml
index 3effb7c2e..c96a1bfe6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,7 +59,6 @@ contract-extrinsics = { git = "https://github.com/use-ink/cargo-contract", branc
 #contract-transcode = "5.0.0"
 contract-transcode = { git = "https://github.com/use-ink/cargo-contract", branch = "peter/chore-make-types-pub" }
 heck = "0.5.0"
-hex = { version = "0.4.3", default-features = false }
 
 # parachains
 askama = "0.12"
diff --git a/crates/pop-cli/src/commands/call/chain.rs b/crates/pop-cli/src/commands/call/chain.rs
index 6226390f7..420961bfc 100644
--- a/crates/pop-cli/src/commands/call/chain.rs
+++ b/crates/pop-cli/src/commands/call/chain.rs
@@ -101,21 +101,16 @@ impl CallChainCommand {
 				},
 			};
 
-			if self.use_wallet {
-				// Sign and submit the extrinsic.
+			// Sign and submit the extrinsic.
+			let result = if self.use_wallet {
 				let call_data = xt.encode_call_data(&chain.client.metadata())?;
-				if let Err(e) =
-					submit_extrinsic_with_secure_signing(&chain, call_data, &mut cli).await
-				{
-					display_message(&e.to_string(), false, &mut cli)?;
-					break;
-				}
+				submit_extrinsic_with_secure_signing(&chain, call_data, &mut cli).await
 			} else {
-				// Sign and submit the extrinsic.
-				if let Err(e) = call.submit_extrinsic(&chain.client, xt, &mut cli).await {
-					display_message(&e.to_string(), false, &mut cli)?;
-					break;
-				}
+				call.submit_extrinsic(&chain.client, xt, &mut cli).await
+			};
+
+			if let Err(e) = result {
+				display_message(&e.to_string(), false, &mut cli)?;
 			}
 
 			if !prompt_to_repeat_call
diff --git a/crates/pop-parachains/Cargo.toml b/crates/pop-parachains/Cargo.toml
index 19d8361d8..6380fbd10 100644
--- a/crates/pop-parachains/Cargo.toml
+++ b/crates/pop-parachains/Cargo.toml
@@ -24,7 +24,6 @@ tokio.workspace = true
 url.workspace = true
 
 askama.workspace = true
-hex.workspace = true 
 indexmap.workspace = true
 reqwest.workspace = true
 scale-info.workspace = true
diff --git a/crates/pop-parachains/src/call/metadata/mod.rs b/crates/pop-parachains/src/call/metadata/mod.rs
index 1f53f523c..5a9a9a2cb 100644
--- a/crates/pop-parachains/src/call/metadata/mod.rs
+++ b/crates/pop-parachains/src/call/metadata/mod.rs
@@ -4,7 +4,7 @@ use crate::errors::Error;
 use params::Param;
 use scale_value::stringify::custom_parsers;
 use std::fmt::{Display, Formatter};
-use subxt::{dynamic::Value, Metadata, OnlineClient, SubstrateConfig};
+use subxt::{dynamic::Value, utils::to_hex, Metadata, OnlineClient, SubstrateConfig};
 
 pub mod action;
 pub mod params;
@@ -179,7 +179,7 @@ pub fn parse_dispatchable_arguments(
 		.map(|(param, raw_param)| {
 			// Convert sequence parameters to hex if is_sequence
 			let processed_param = if param.is_sequence && !raw_param.starts_with("0x") {
-				format!("0x{}", hex::encode(raw_param))
+				to_hex(&raw_param)
 			} else {
 				raw_param
 			};
@@ -199,6 +199,7 @@ mod tests {
 
 	use crate::{call::tests::POP_NETWORK_TESTNET_URL, set_up_client};
 	use anyhow::Result;
+	use sp_core::bytes::from_hex;
 	use subxt::ext::scale_bits;
 
 	#[tokio::test]
@@ -283,7 +284,7 @@ mod tests {
 		]
 		.to_vec();
 		let addr: Vec<_> =
-			hex::decode("8eaf04151687736326c9fea17e25fc5287613693c912909cb226aa4794f26a48")
+			from_hex("8eaf04151687736326c9fea17e25fc5287613693c912909cb226aa4794f26a48")
 				.unwrap()
 				.into_iter()
 				.map(|b| Value::u128(b as u128))
diff --git a/crates/pop-parachains/src/call/mod.rs b/crates/pop-parachains/src/call/mod.rs
index 32b27aee3..f5bb05b71 100644
--- a/crates/pop-parachains/src/call/mod.rs
+++ b/crates/pop-parachains/src/call/mod.rs
@@ -5,7 +5,7 @@ use pop_common::{
 	call::{DefaultEnvironment, DisplayEvents, TokenMetadata, Verbosity},
 	create_signer,
 };
-use sp_core::bytes::from_hex;
+use sp_core::bytes::{from_hex, to_hex};
 use subxt::{
 	dynamic::Value,
 	tx::{DynamicPayload, Payload, SubmittableExtrinsic},
@@ -116,7 +116,7 @@ pub fn encode_call_data(
 	let call_data = xt
 		.encode_call_data(&client.metadata())
 		.map_err(|e| Error::CallDataEncodingError(e.to_string()))?;
-	Ok(format!("0x{}", hex::encode(call_data)))
+	Ok(to_hex(&call_data, false))
 }
 
 /// Decodes a hex-encoded string into a vector of bytes representing the call data.
@@ -124,8 +124,7 @@ pub fn encode_call_data(
 /// # Arguments
 /// * `call_data` - The hex-encoded string representing call data.
 pub fn decode_call_data(call_data: &str) -> Result<Vec<u8>, Error> {
-	hex::decode(call_data.trim_start_matches("0x"))
-		.map_err(|e| Error::CallDataDecodingError(e.to_string()))
+	from_hex(call_data).map_err(|e| Error::CallDataDecodingError(e.to_string()))
 }
 
 /// This struct implements the [`Payload`] trait and is used to submit