diff --git a/routstr/payment/helpers.py b/routstr/payment/helpers.py
index 55a1f068..7d15e2bf 100644
--- a/routstr/payment/helpers.py
+++ b/routstr/payment/helpers.py
@@ -81,7 +81,7 @@ def check_token_balance(headers: dict, body: dict, max_cost_for_model: int) -> N
         )
 
 
-def get_max_cost_for_model(model: str, tolerance_percentage: float = 1.0) -> int:
+def get_max_cost_for_model(model: str) -> int:
     """Get the maximum cost for a specific model."""
     logger.debug(
         "Getting max cost for model",
@@ -116,7 +116,11 @@ def get_max_cost_for_model(model: str, tolerance_percentage: float = 1.0) -> int
 
     for m in MODELS:
         if m.id == model:
-            max_cost = m.sats_pricing.max_cost * 1000 * (1 - tolerance_percentage / 100)  # type: ignore
+            max_cost = (
+                m.sats_pricing.max_cost  # type: ignore
+                * 1000
+                * (1 - settings.tolerance_percentage / 100)
+            )
             logger.debug(
                 "Found model-specific max cost",
                 extra={"model": model, "max_cost_msats": max_cost},
@@ -133,9 +137,7 @@ def get_max_cost_for_model(model: str, tolerance_percentage: float = 1.0) -> int
     return settings.fixed_cost_per_request * 1000
 
 
-def calculate_discounted_max_cost(
-    max_cost_for_model: int, body: dict, tolerance_percentage: float | None = None
-) -> int:
+def calculate_discounted_max_cost(max_cost_for_model: int, body: dict) -> int:
     """Calculate the discounted max cost for a request."""
     if settings.fixed_pricing:
         return max_cost_for_model
@@ -148,11 +150,7 @@ def calculate_discounted_max_cost(
     print("model_pricing.max_prompt_cost", model_pricing.max_prompt_cost)
     print("model_pricing.max_completion_cost", model_pricing.max_completion_cost)
 
-    tol = (
-        settings.tolerance_percentage
-        if tolerance_percentage is None
-        else tolerance_percentage
-    )
+    tol = settings.tolerance_percentage
     tol_factor = max(0.0, 1 - float(tol) / 100.0)
     max_prompt_allowed_sats = model_pricing.max_prompt_cost * tol_factor
     max_completion_allowed_sats = model_pricing.max_completion_cost * tol_factor
diff --git a/routstr/proxy.py b/routstr/proxy.py
index 4a27f42e..09c66a75 100644
--- a/routstr/proxy.py
+++ b/routstr/proxy.py
@@ -555,12 +555,9 @@ async def proxy(
             )
 
     model = request_body_dict.get("model", "unknown")
-    tolerance = settings.tolerance_percentage
-    _max_cost_for_model = get_max_cost_for_model(
-        model=model, tolerance_percentage=tolerance
-    )
+    _max_cost_for_model = get_max_cost_for_model(model=model)
     max_cost_for_model = calculate_discounted_max_cost(
-        _max_cost_for_model, request_body_dict, tolerance_percentage=tolerance
+        _max_cost_for_model, request_body_dict
     )
     check_token_balance(headers, request_body_dict, max_cost_for_model)