diff --git a/packages/opencode/test/preload.ts b/packages/opencode/test/preload.ts
index 0ddc797faf..278cee70aa 100644
--- a/packages/opencode/test/preload.ts
+++ b/packages/opencode/test/preload.ts
@@ -33,6 +33,7 @@ process.env["XDG_DATA_HOME"] = path.join(dir, "share")
 process.env["XDG_CACHE_HOME"] = path.join(dir, "cache")
 process.env["XDG_CONFIG_HOME"] = path.join(dir, "config")
 process.env["XDG_STATE_HOME"] = path.join(dir, "state")
+delete process.env["OPENCODE_OTLP_BASE_URL"]
 process.env["OPENCODE_MODELS_PATH"] = path.join(import.meta.dir, "tool", "fixtures", "models-api.json")
 
 // Set test home directory to isolate tests from user's actual home directory