diff --git a/client/qiskit_serverless/core/clients/serverless_client.py b/client/qiskit_serverless/core/clients/serverless_client.py
index 7bc4f2468..b34a9155e 100644
--- a/client/qiskit_serverless/core/clients/serverless_client.py
+++ b/client/qiskit_serverless/core/clients/serverless_client.py
@@ -426,19 +426,15 @@ def provider_file_download(
             file, download_location, function, target_name
         )
 
-    def file_delete(
-        self, file: str, function: QiskitFunction, provider: Optional[str] = None
-    ):
+    def file_delete(self, file: str, function: QiskitFunction):
         """Deletes file uploaded or produced by the programs,"""
-        return self._files_client.delete(file, function, provider)
+        return self._files_client.delete(file, function)
 
-    def provider_file_delete(self, file: str, function: QiskitFunction, provider: str):
+    def provider_file_delete(self, file: str, function: QiskitFunction):
         """Deletes file uploaded or produced by the programs,"""
-        return self._files_client.provider_delete(file, function, provider)
+        return self._files_client.provider_delete(file, function)
 
-    def file_upload(
-        self, file: str, function: QiskitFunction
-    ):
+    def file_upload(self, file: str, function: QiskitFunction):
         """Upload file."""
         return self._files_client.upload(file, function)
 
diff --git a/client/qiskit_serverless/core/files.py b/client/qiskit_serverless/core/files.py
index 682e70032..f4770d94f 100644
--- a/client/qiskit_serverless/core/files.py
+++ b/client/qiskit_serverless/core/files.py
@@ -132,9 +132,7 @@ def provider_download(
         )
 
     @_trace
-    def upload(
-        self, file: str, function: QiskitFunction
-    ) -> Optional[str]:
+    def upload(self, file: str, function: QiskitFunction) -> Optional[str]:
         """Uploads file."""
         with open(file, "rb") as f:
             with requests.post(
@@ -151,13 +149,11 @@ def upload(
         return "Can not open file"
 
     @_trace
-    def provider_upload(
-        self, file: str, function: QiskitFunction
-    ) -> Optional[str]:
+    def provider_upload(self, file: str, function: QiskitFunction) -> Optional[str]:
+        """Uploads file to provider/function file storage."""
         if not function.provider:
             raise QiskitServerlessException("`function` doesn't have a provider.")
 
-        """Uploads file to provider/function file storage."""
         with open(file, "rb") as f:
             with requests.post(
                 os.path.join(self._files_url, "upload/"),
@@ -202,9 +198,7 @@ def provider_list(self, function: QiskitFunction) -> List[str]:
         return response_data.get("results", [])
 
     @_trace
-    def delete(
-        self, file: str, function: QiskitFunction
-    ) -> Optional[str]:
+    def delete(self, file: str, function: QiskitFunction) -> Optional[str]:
         """Deletes file uploaded or produced by the programs,"""
         response_data = safe_json_request_as_dict(
             request=lambda: requests.delete(
@@ -224,13 +218,11 @@ def delete(
         return response_data.get("message", "")
 
     @_trace
-    def provider_delete(
-        self, file: str, function: QiskitFunction
-    ) -> Optional[str]:
+    def provider_delete(self, file: str, function: QiskitFunction) -> Optional[str]:
+        """Deletes a file uploaded or produced by the Qiskit Functions"""
         if not function.provider:
             raise QiskitServerlessException("`function` doesn't have a provider.")
 
-        """Deletes file uploaded or produced by the programs,"""
         response_data = safe_json_request_as_dict(
             request=lambda: requests.delete(
                 os.path.join(self._files_url, "provider", "delete"),