diff --git a/crates/avalanche-types/src/wallet/p/add_permissionless_validator.rs b/crates/avalanche-types/src/wallet/p/add_permissionless_validator.rs
index a6c0522..c98ad1b 100644
--- a/crates/avalanche-types/src/wallet/p/add_permissionless_validator.rs
+++ b/crates/avalanche-types/src/wallet/p/add_permissionless_validator.rs
@@ -7,7 +7,7 @@ use crate::{
     jsonrpc::client::p as client_p,
     key, platformvm, txs, units,
 };
-use chrono::{DateTime, NaiveDateTime, TimeZone, Utc};
+use chrono::{DateTime, TimeZone, Utc};
 use tokio::time::{sleep, Duration, Instant};
 
 /// Represents P-chain "AddPermissionlessValidator" transaction.
@@ -64,14 +64,14 @@ where
             .as_secs();
 
         let start_time = now_unix + 60;
-        let naive_dt = NaiveDateTime::from_timestamp_opt(start_time as i64, 0).unwrap();
+        let naive_dt = DateTime::from_timestamp(start_time as i64, 0).unwrap();
         let start_time = Utc.from_utc_datetime(&naive_dt);
 
         // 100-day
         // must be smaller than the primary network default
         // otherwise "staking period must be a subset of the primary network"
         let end_time = now_unix + 100 * 24 * 60 * 60;
-        let naive_dt = NaiveDateTime::from_timestamp_opt(end_time as i64, 0).unwrap();
+        let naive_dt = DateTime::from_timestamp(end_time as i64, 0).unwrap();
         let end_time = Utc.from_utc_datetime(&naive_dt);
 
         Self {
@@ -135,13 +135,13 @@ where
             .as_secs();
 
         let start_time = now_unix + offset_seconds;
-        let naive_dt = NaiveDateTime::from_timestamp_opt(start_time as i64, 0).unwrap();
+        let naive_dt = DateTime::from_timestamp(start_time as i64, 0).unwrap();
         let start_time = Utc.from_utc_datetime(&naive_dt);
 
         // must be smaller than the primary network default
         // otherwise "staking period must be a subset of the primary network"
         let end_time = now_unix + days * 24 * 60 * 60;
-        let naive_dt = NaiveDateTime::from_timestamp_opt(end_time as i64, 0).unwrap();
+        let naive_dt = DateTime::from_timestamp(end_time as i64, 0).unwrap();
         let end_time = Utc.from_utc_datetime(&naive_dt);
 
         self.start_time = start_time;
diff --git a/crates/avalanche-types/src/wallet/p/add_subnet_validator.rs b/crates/avalanche-types/src/wallet/p/add_subnet_validator.rs
index 5ef7d9f..fcc7679 100644
--- a/crates/avalanche-types/src/wallet/p/add_subnet_validator.rs
+++ b/crates/avalanche-types/src/wallet/p/add_subnet_validator.rs
@@ -7,7 +7,7 @@ use crate::{
     jsonrpc::client::p as client_p,
     key, platformvm, txs,
 };
-use chrono::{DateTime, NaiveDateTime, TimeZone, Utc};
+use chrono::{DateTime, TimeZone, Utc};
 use tokio::time::{sleep, Duration, Instant};
 
 /// Represents P-chain "AddSubnetValidator" transaction.
@@ -52,7 +52,7 @@ where
             .as_secs();
 
         let start_time = now_unix + 60;
-        let naive_dt = NaiveDateTime::from_timestamp_opt(start_time as i64, 0).unwrap();
+        let naive_dt = DateTime::from_timestamp(start_time as i64, 0).unwrap();
         let start_time = Utc.from_utc_datetime(&naive_dt);
 
         // 14-day + 5-min
@@ -60,7 +60,7 @@ where
         // otherwise "staking period must be a subset of the primary network"
         // ref. "Validator.BoundedBy"
         let end_time = now_unix + 15 * 24 * 60 * 60 + 5 * 60;
-        let naive_dt = NaiveDateTime::from_timestamp_opt(end_time as i64, 0).unwrap();
+        let naive_dt = DateTime::from_timestamp(end_time as i64, 0).unwrap();
         let end_time = Utc.from_utc_datetime(&naive_dt);
 
         Self {
@@ -122,13 +122,13 @@ where
             .as_secs();
 
         let start_time = now_unix + offset_seconds;
-        let naive_dt = NaiveDateTime::from_timestamp_opt(start_time as i64, 0).unwrap();
+        let naive_dt = DateTime::from_timestamp(start_time as i64, 0).unwrap();
         let start_time = Utc.from_utc_datetime(&naive_dt);
 
         // must be smaller than the primary network default
         // otherwise "staking period must be a subset of the primary network"
         let end_time = now_unix + days * 24 * 60 * 60;
-        let naive_dt = NaiveDateTime::from_timestamp_opt(end_time as i64, 0).unwrap();
+        let naive_dt = DateTime::from_timestamp(end_time as i64, 0).unwrap();
         let end_time = Utc.from_utc_datetime(&naive_dt);
 
         self.start_time = start_time;
diff --git a/crates/avalanche-types/src/wallet/p/add_validator.rs b/crates/avalanche-types/src/wallet/p/add_validator.rs
index b5caa86..50938d0 100644
--- a/crates/avalanche-types/src/wallet/p/add_validator.rs
+++ b/crates/avalanche-types/src/wallet/p/add_validator.rs
@@ -7,7 +7,7 @@ use crate::{
     jsonrpc::client::p as client_p,
     key, platformvm, txs, units,
 };
-use chrono::{DateTime, NaiveDateTime, TimeZone, Utc};
+use chrono::{DateTime, TimeZone, Utc};
 use tokio::time::{sleep, Duration, Instant};
 
 /// Represents P-chain "AddValidator" transaction.
@@ -60,7 +60,7 @@ where
             .as_secs();
 
         let start_time = now_unix + 60;
-        let naive_dt = NaiveDateTime::from_timestamp_opt(start_time as i64, 0).unwrap();
+        let naive_dt = DateTime::from_timestamp(start_time as i64, 0).unwrap();
         let start_time = Utc.from_utc_datetime(&naive_dt);
 
         // 15-day + 5-min
@@ -69,7 +69,7 @@ where
         // 15 that subnet validator defaults can be bounded within
         // ref. "Validator.BoundedBy"
         let end_time = now_unix + 14 * 24 * 60 * 60 + 5 * 60;
-        let naive_dt = NaiveDateTime::from_timestamp_opt(end_time as i64, 0).unwrap();
+        let naive_dt = DateTime::from_timestamp(end_time as i64, 0).unwrap();
         let end_time = Utc.from_utc_datetime(&naive_dt);
 
         Self {
@@ -124,13 +124,13 @@ where
             .as_secs();
 
         let start_time = now_unix + offset_seconds;
-        let naive_dt = NaiveDateTime::from_timestamp_opt(start_time as i64, 0).unwrap();
+        let naive_dt = DateTime::from_timestamp(start_time as i64, 0).unwrap();
         let start_time = Utc.from_utc_datetime(&naive_dt);
 
         // must be smaller than the primary network default
         // otherwise "staking period must be a subset of the primary network"
         let end_time = now_unix + days * 24 * 60 * 60;
-        let naive_dt = NaiveDateTime::from_timestamp_opt(end_time as i64, 0).unwrap();
+        let naive_dt = DateTime::from_timestamp(end_time as i64, 0).unwrap();
         let end_time = Utc.from_utc_datetime(&naive_dt);
 
         self.start_time = start_time;