diff --git a/http/http.cpp b/http/http.cpp
index c99a5ec4..63819957 100644
--- a/http/http.cpp
+++ b/http/http.cpp
@@ -193,9 +193,6 @@ td::Status HttpRequest::add_header(HttpHeader header) {
     if (found_transfer_encoding_ || found_content_length_) {
       return td::Status::Error("duplicate Content-Length/Transfer-Encoding");
     }
-    if (len > HttpRequest::max_payload_size()) {
-      return td::Status::Error("too big Content-Length");
-    }
     content_length_ = len;
     found_content_length_ = true;
   } else if (lc_name == "transfer-encoding") {
@@ -809,9 +806,6 @@ td::Status HttpResponse::add_header(HttpHeader header) {
     if (found_transfer_encoding_ || found_content_length_) {
       return td::Status::Error("duplicate Content-Length/Transfer-Encoding");
     }
-    if (len > HttpRequest::max_payload_size()) {
-      return td::Status::Error("too big Content-Length");
-    }
     content_length_ = len;
     found_content_length_ = true;
   } else if (lc_name == "transfer-encoding") {