diff --git a/e2e/lib/event-parser.ts b/e2e/lib/event-parser.ts
index 1ebf5f7a..1a42a7b5 100644
--- a/e2e/lib/event-parser.ts
+++ b/e2e/lib/event-parser.ts
@@ -37,7 +37,7 @@ export function parseEvents(output: string): ParsedEvent[] {
       }
       buffer = line
     } else if (buffer) {
-      buffer += "\\n" + line
+      buffer += "\n" + line
     } else {
       tryParseEvent(line, events)
     }
@@ -55,19 +55,7 @@ function tryParseEvent(text: string, events: ParsedEvent[]): void {
     if (data.type) {
       events.push({ ...data, raw: text })
     }
-  } catch (e) {
-    if (
-      text.includes('"startRun"') ||
-      text.includes('"completeRun"') ||
-      text.includes('"stopRun')
-    ) {
-      process.stderr.write(
-        `[PARSE_FAIL] Failed to parse event (len=${text.length}): ${(e as Error).message}\n`,
-      )
-      process.stderr.write(`[PARSE_FAIL] first 200 chars: ${text.slice(0, 200)}\n`)
-      process.stderr.write(`[PARSE_FAIL] last 200 chars: ${text.slice(-200)}\n`)
-    }
-  }
+  } catch {}
 }
 
 export function filterEventsByType<T extends RunEvent["type"]>(
diff --git a/e2e/perstack-cli/continue.test.ts b/e2e/perstack-cli/continue.test.ts
index e34c936d..a304ffaa 100644
--- a/e2e/perstack-cli/continue.test.ts
+++ b/e2e/perstack-cli/continue.test.ts
@@ -41,13 +41,6 @@ describe.concurrent("Continue Job", () => {
       { timeout: LLM_TIMEOUT },
     )
     const continueResult = withEventParsing(continueCmdResult)
-    process.stderr.write(
-      `\n[DEBUG continue] exitCode=${continueCmdResult.exitCode} events=${JSON.stringify(continueResult.events.map((e) => e.type))}\n`,
-    )
-    process.stderr.write(`[DEBUG continue] stdout:\n${continueCmdResult.stdout.slice(0, 3000)}\n`)
-    if (continueCmdResult.stderr) {
-      process.stderr.write(`[DEBUG continue] stderr:\n${continueCmdResult.stderr.slice(0, 1000)}\n`)
-    }
     expect(assertEventSequenceContains(continueResult.events, ["resumeFromStop"]).passed).toBe(true)
     expect(
       continueResult.events.some(
diff --git a/e2e/perstack-cli/providers.test.ts b/e2e/perstack-cli/providers.test.ts
index 2e392f83..bd4445b7 100644
--- a/e2e/perstack-cli/providers.test.ts
+++ b/e2e/perstack-cli/providers.test.ts
@@ -31,13 +31,6 @@ describe.concurrent("LLM Providers", () => {
         provider,
       })
       const result = withEventParsing(cmdResult)
-      process.stderr.write(
-        `\n[DEBUG ${provider}] exitCode=${result.exitCode} events=${JSON.stringify(result.events.map((e) => e.type))}\n`,
-      )
-      process.stderr.write(`[DEBUG ${provider}] stdout:\n${result.stdout.slice(0, 3000)}\n`)
-      if (result.stderr) {
-        process.stderr.write(`[DEBUG ${provider}] stderr:\n${result.stderr.slice(0, 1000)}\n`)
-      }
       expect(result.exitCode).toBe(0)
       expect(assertEventSequenceContains(result.events, ["startRun", "completeRun"]).passed).toBe(
         true,