diff --git a/pyproject.toml b/pyproject.toml
index 466fc73..5b493d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "aiomql"
-version = "4.0.15b2"
+version = "4.0.15"
 readme = "README.md"
 requires-python = ">=3.13"
 classifiers = [
diff --git a/src/aiomql/core/backtesting/backtest_controller.py b/src/aiomql/core/backtesting/backtest_controller.py
index e45cae0..632d1fe 100644
--- a/src/aiomql/core/backtesting/backtest_controller.py
+++ b/src/aiomql/core/backtesting/backtest_controller.py
@@ -38,9 +38,6 @@ class BackTestController:
             cls._instance.tasks = []
         return cls._instance
 
-    def __init__(self):
-        signal(SIGINT, self.sigint_handler)
-
     @property
     def backtest_engine(self):
         """Returns the backtest engine"""
@@ -64,10 +61,6 @@ class BackTestController:
         """Returns the number of parties for the barrier"""
         return self.barrier.parties
 
-    def sigint_handler(self, sig, frame):
-        logger.warning("SIGINT received. Stopping the controller.")
-        self.backtest_engine.stop_testing = True
-
     async def control(self):
         """The backtest controller. It controls the backtesting engine and the tasks that are being run.
         It acts as a synchronizer for the tasks and the backtesting engine.
diff --git a/src/aiomql/core/config.py b/src/aiomql/core/config.py
index 0067b1d..b433542 100644
--- a/src/aiomql/core/config.py
+++ b/src/aiomql/core/config.py
@@ -79,7 +79,7 @@ class Config:
             if not hasattr(cls, "_instance"):
                 cls._lock = lock
                 cls._instance = super().__new__(cls)
-                cls._instance.task_queue = TaskQueue(mode='infinite', workers=10)
+                cls._instance.task_queue = TaskQueue(mode='infinite')
                 cls._instance.set_attributes(**cls._defaults)
                 cls._instance._backtest_engine = None
                 cls._instance.bot = None
diff --git a/src/aiomql/core/constants.py b/src/aiomql/core/constants.py
index 98fc50f..64d5671 100644
--- a/src/aiomql/core/constants.py
+++ b/src/aiomql/core/constants.py
@@ -102,7 +102,6 @@ class OrderType(Repr, IntEnum):
     Properties:
         opposite (int): Gets the opposite of an order type
     """
-
     __enum_name__ = "ORDER_TYPE"
     BUY = mt5.ORDER_TYPE_BUY
     SELL = mt5.ORDER_TYPE_SELL
diff --git a/src/aiomql/lib/strategy.py b/src/aiomql/lib/strategy.py
index 72d3f48..dd0dbcc 100644
--- a/src/aiomql/lib/strategy.py
+++ b/src/aiomql/lib/strategy.py
@@ -42,7 +42,7 @@ class Strategy(ABC):
     config: Config
     running: bool
     parameters = {}
-    backtest_controller = BackTestController
+    backtest_controller: BackTestController
     current_session = Session
 
     def __init__(self, *, symbol: Symbol, params: dict = None, sessions: Sessions = None, name=""):
@@ -62,7 +62,8 @@ class Strategy(ABC):
         self.sessions = sessions or Sessions(sessions=[Session(start=0, end=dtime(hour=23, minute=59, second=59))])
         self.config = Config()
         self.mt5 = MetaTrader() if self.config.mode != "backtest" else MetaBackTester()
-        self.backtest_controller = BackTestController()
+        if self.config.mode == "backtest":
+            self.backtest_controller = BackTestController()
 
     def __repr__(self):
         return f"{self.name}({self.symbol!r})"
diff --git a/uv.lock b/uv.lock
index 1b773af..82ea7c0 100644
--- a/uv.lock
+++ b/uv.lock
@@ -8,7 +8,7 @@ resolution-markers = [
 
 [[package]]
 name = "aiomql"
-version = "4.0.15b2"
+version = "4.0.15"
 source = { virtual = "." }
 dependencies = [
     { name = "metatrader5" },