diff --git a/linkedin_matrix/web/provisioning_api.py b/linkedin_matrix/web/provisioning_api.py
index 627d576..4d22dc2 100644
--- a/linkedin_matrix/web/provisioning_api.py
+++ b/linkedin_matrix/web/provisioning_api.py
@@ -106,8 +106,15 @@ def parse_cookies(c):
                 cookie_dict[key] = val
 
         if "all_headers" in req_data:
-            parse_cookies(req_data.pop("Cookie", req_data.pop("cookie", "")))
-            headers = req_data
+            all_headers = req_data["all_headers"]
+            parse_cookies(all_headers.pop("Cookie", all_headers.pop("cookie", "")))
+
+            # We never want the accept header, skip it
+            all_headers.pop("Accept")
+            all_headers.pop("accept")
+
+            # Save the rest of the headers
+            headers = all_headers
         elif "cookie_header" in req_data:
             parse_cookies(req_data["cookie_header"])
         elif "li_at" in req_data and "JSESSIONID" in req_data:
diff --git a/linkedin_messaging/linkedin.py b/linkedin_messaging/linkedin.py
index 3ee52df..0130de5 100644
--- a/linkedin_messaging/linkedin.py
+++ b/linkedin_messaging/linkedin.py
@@ -158,9 +158,9 @@ def from_cookies_and_headers(cookies: dict[str, str],
 
         # Skip these headers, including them will result in events being received in a newer
         # format that we don't support
-        linkedin.headers.pop("x-li-query-map", None)
-        linkedin.headers.pop("x-li-query-accept", None)
-        linkedin.headers.pop("x-li-accept", None)
+        linkedin.headers.pop("x-li-query-map")
+        linkedin.headers.pop("x-li-query-accept")
+        linkedin.headers.pop("x-li-accept")
 
         return linkedin