diff --git a/pkg/agent/pipeline_setup.go b/pkg/agent/pipeline_setup.go
index 9d5033ce..ea05968c 100644
--- a/pkg/agent/pipeline_setup.go
+++ b/pkg/agent/pipeline_setup.go
@@ -71,7 +71,14 @@ func (p *Pipeline) SetupTurn(ctx context.Context, ts *turnState) (*turnExecution
 			history, messages, fit = trimHistoryToFitContextWindow(
 				history,
 				func(trimmedHistory []providers.Message) []providers.Message {
-					rebuildPromptReq := promptBuildRequestForTurn(ts, trimmedHistory, summary, ts.userMessage, ts.media, cfg)
+					rebuildPromptReq := promptBuildRequestForTurn(
+						ts,
+						trimmedHistory,
+						summary,
+						ts.userMessage,
+						ts.media,
+						cfg,
+					)
 					rebuildPromptReq.ActiveSkills = append([]string(nil), contextualSkills...)
 					rebuilt := ts.agent.ContextBuilder.BuildMessagesFromPrompt(rebuildPromptReq)
 					return resolveMediaRefs(rebuilt, p.MediaStore, maxMediaSize)
diff --git a/pkg/agent/turn_state.go b/pkg/agent/turn_state.go
index 3213ff55..5fc4dd40 100644
--- a/pkg/agent/turn_state.go
+++ b/pkg/agent/turn_state.go
@@ -690,21 +690,6 @@ func (ts *turnState) restoreSession(agent *AgentInstance) error {
 	return agent.Sessions.Save(ts.sessionKey)
 }
 
-// messagesContentEqual compares two message slices by content only, ignoring CreatedAt.
-// JSON roundtrip loses the monotonic clock portion of time.Time, so direct
-// reflect.DeepEqual would always differ on messages that roundtripped through
-// the JSONL store.
-func messagesContentEqual(a, b []providers.Message) bool {
-	for i := range a {
-		aCopy, bCopy := a[i], b[i]
-		aCopy.CreatedAt, bCopy.CreatedAt = nil, nil
-		if !reflect.DeepEqual(aCopy, bCopy) {
-			return false
-		}
-	}
-	return true
-}
-
 func matchingTurnMessageTail(history, persisted []providers.Message) int {
 	maxMatch := min(len(history), len(persisted))
 	for size := maxMatch; size > 0; size-- {