diff --git a/codex-rs/core/src/guardian/approval_request.rs b/codex-rs/core/src/guardian/approval_request.rs
index 956bb3f372..5286bfbea7 100644
--- a/codex-rs/core/src/guardian/approval_request.rs
+++ b/codex-rs/core/src/guardian/approval_request.rs
@@ -344,18 +344,6 @@ pub(crate) fn guardian_assessment_action_value(action: &GuardianApprovalRequest)
     }
 }
 
-fn network_approval_protocol_value(protocol: NetworkApprovalProtocol) -> Value {
-    Value::String(
-        match protocol {
-            NetworkApprovalProtocol::Http => "http",
-            NetworkApprovalProtocol::Https => "https",
-            NetworkApprovalProtocol::Socks5Tcp => "socks5_tcp",
-            NetworkApprovalProtocol::Socks5Udp => "socks5_udp",
-        }
-        .to_string(),
-    )
-}
-
 pub(crate) fn guardian_request_id(request: &GuardianApprovalRequest) -> &str {
     match request {
         GuardianApprovalRequest::Shell { id, .. }