diff --git a/src/manifest.rs b/src/gateway/manifest.rs
similarity index 93%
rename from src/manifest.rs
rename to src/gateway/manifest.rs
index 688ac9e..91d0f6e 100644
--- a/src/manifest.rs
+++ b/src/gateway/manifest.rs
@@ -1,6 +1,5 @@
-use std::collections::HashMap;
-
 use serde::Deserialize;
+use std::collections::HashMap;
 
 /// Manifest file format.
 ///
@@ -68,7 +67,6 @@ impl Manifest {
 pub struct FirmwareBinary {
     file: String,
     min: String,
-    sha256: Option<String>,
 }
 
 impl FirmwareBinary {
@@ -81,9 +79,4 @@ impl FirmwareBinary {
     pub fn minimum_supported_version(&self) -> &str {
         &self.min
     }
-
-    /// SHA256 checksum (if included).
-    pub fn sha256(&self) -> Option<&str> {
-        self.sha256.as_deref()
-    }
 }
diff --git a/src/gateway/mod.rs b/src/gateway/mod.rs
index 9250bf2..08603f5 100644
--- a/src/gateway/mod.rs
+++ b/src/gateway/mod.rs
@@ -1,3 +1,4 @@
+mod manifest;
 mod restart;
 mod status;
 mod update;
diff --git a/src/gateway/update.rs b/src/gateway/update.rs
index 1041fa3..b3c16eb 100644
--- a/src/gateway/update.rs
+++ b/src/gateway/update.rs
@@ -1,5 +1,5 @@
+use super::manifest::Manifest;
 use super::UpdateOptions;
-use crate::manifest::Manifest;
 use crate::write_with_header;
 use anyhow::Error;
 use colored::Colorize;
diff --git a/src/main.rs b/src/main.rs
index 0cc8258..ea44df5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,4 @@
 mod gateway;
-mod manifest;
 
 use clap::{Parser, Subcommand};
 use colored::ColoredString;