diff --git a/agentops/session.py b/agentops/session.py
index 72c5bdff..6fd51e61 100644
--- a/agentops/session.py
+++ b/agentops/session.py
@@ -5,7 +5,7 @@
 import time
 from decimal import ROUND_HALF_UP, Decimal
 from termcolor import colored
-from typing import Optional, List, Union, Callable
+from typing import Optional, List, Union
 from uuid import UUID, uuid4
 from datetime import datetime
 
@@ -40,7 +40,6 @@ def __init__(
         config: Configuration,
         tags: Optional[List[str]] = None,
         host_env: Optional[dict] = None,
-        callback: Optional[Callable[["Session"], None]] = None,
     ):
         self.end_timestamp = None
         self.end_state: Optional[str] = None
@@ -61,8 +60,9 @@ def __init__(
             "errors": 0,
             "apis": 0,
         }
+
         self.stop_flag = threading.Event()
-        self.thread = threading.Thread(target=self._run, args=(callback,))
+        self.thread = threading.Thread(target=self._run)
         self.thread.daemon = True
         self.thread.start()
 
@@ -274,21 +274,16 @@ def _start_session(self):
                     self.config.parent_key,
                 )
             except ApiServerException as e:
-                logger.error(f"Could not start session - {e}")
-                return False
+                return logger.error(f"Could not start session - {e}")
 
             logger.debug(res.body)
 
             if res.code != 200:
-                logger.error(f"Could not start session - server error")
                 return False
 
             jwt = res.body.get("jwt", None)
             self.jwt = jwt
             if jwt is None:
-                logger.error(
-                    f"Could not start session - server could not authenticate your API Key"
-                )
                 return False
 
             session_url = res.body.get(
@@ -321,8 +316,6 @@ def _update_session(self) -> None:
                 return logger.error(f"Could not update session - {e}")
 
     def _flush_queue(self) -> None:
-        import time
-        print("\n🔄 FLUSHING QUEUE 🔄", flush=True)
         if not self.is_running:
             return
         with self.lock:
@@ -336,15 +329,11 @@ def _flush_queue(self) -> None:
 
                 serialized_payload = safe_serialize(payload).encode("utf-8")
                 try:
-                    print("\n🚀 Starting post 🚀\n", serialized_payload)
-                    start_time = time.time()
                     HttpClient.post(
                         f"{self.config.endpoint}/v2/create_events",
                         serialized_payload,
                         jwt=self.jwt,
                     )
-                    end_time = time.time()
-                    print(f"\n🚀 QUEUE FLUSHED SUCCESSFULLY! 🚀\nTime taken: {end_time - start_time:.2f} seconds\n")
                 except ApiServerException as e:
                     return logger.error(f"Could not post events - {e}")
 
@@ -370,7 +359,7 @@ def _flush_queue(self) -> None:
                     elif event_type == "apis":
                         self.event_counts["apis"] += 1
 
-    def _run(self, callback: Optional[Callable[["Session"], None]] = None) -> None:
+    def _run(self) -> None:
         while not self.stop_flag.is_set():
             time.sleep(self.config.max_wait_time / 1000)
             if self.queue: