diff --git a/server_manager/src/core/journal.rs b/server_manager/src/core/journal.rs
index e4adc45..d71a288 100644
--- a/server_manager/src/core/journal.rs
+++ b/server_manager/src/core/journal.rs
@@ -276,12 +276,3 @@ pub fn now_iso8601() -> String {
         .format(&Rfc3339)
         .unwrap_or_else(|_| "1970-01-01T00:00:00Z".to_string())
 }
-
-/// Generates a 128-bit random hex transaction ID.
-pub fn generate_op_id() -> String {
-    format!(
-        "{:016x}{:016x}",
-        rand::random::<u64>(),
-        rand::random::<u64>()
-    )
-}
diff --git a/server_manager/tests/contract_journal.rs b/server_manager/tests/contract_journal.rs
index 6ed31d8..839d17a 100644
--- a/server_manager/tests/contract_journal.rs
+++ b/server_manager/tests/contract_journal.rs
@@ -1,6 +1,14 @@
 use server_manager::core::journal::{
-    generate_op_id, now_iso8601, CompensatoryAction, Journal, JournalEntry, StepStatus,
+    now_iso8601, CompensatoryAction, Journal, JournalEntry, StepStatus,
 };
+
+fn generate_op_id() -> String {
+    format!(
+        "{:016x}{:016x}",
+        rand::random::<u64>(),
+        rand::random::<u64>()
+    )
+}
 use std::collections::HashMap;
 use std::fs;