diff --git a/src/delta_barth/api/requests.py b/src/delta_barth/api/requests.py
index 423ce04..b6625be 100644
--- a/src/delta_barth/api/requests.py
+++ b/src/delta_barth/api/requests.py
@@ -12,7 +12,6 @@ from delta_barth.types import DelBarApiError, ExportResponse, ResponseType, Stat
 
 if TYPE_CHECKING:
     from delta_barth.api.common import Session
-    from delta_barth.types import PipeResult
 
 
 # ** sales data
@@ -38,7 +37,6 @@ class SalesPrognosisResponse(ResponseType):
 class SalesPrognosisResult(BaseModel):
     jahr: PositiveInt
     monat: PositiveInt
-    betrag: float
     vorhersage: float
 
 
@@ -81,6 +79,3 @@ def get_sales_prognosis_data(
         status = STATUS_HANDLER.api_error(err)
 
     return response, status
-
-
-def parse_sales_prognosis_response(pipe: PipeResult) -> ...: ...