diff --git a/ext/include/opentelemetry/ext/http/client/curl/http_operation_curl.h b/ext/include/opentelemetry/ext/http/client/curl/http_operation_curl.h
index 1c11f6a9e2..45eac682e4 100644
--- a/ext/include/opentelemetry/ext/http/client/curl/http_operation_curl.h
+++ b/ext/include/opentelemetry/ext/http/client/curl/http_operation_curl.h
@@ -205,7 +205,7 @@ class HttpOperation
 
     /* wait for the socket to become ready for sending */
     sockfd_ = sockextr;
-    if (!WaitOnSocket(sockfd_, 0, http_conn_timeout_.count()) || is_aborted_)
+    if (!WaitOnSocket(sockfd_, 0, static_cast<long>(http_conn_timeout_.count())) || is_aborted_)
     {
       res_ = CURLE_OPERATION_TIMEDOUT;
       DispatchEvent(
@@ -414,8 +414,6 @@ class HttpOperation
   // Socket parameters
   curl_socket_t sockfd_;
 
-  // long sockextr_   = 0;
-
   curl_off_t nread_;
   size_t sendlen_ = 0;  // # bytes sent by client
   size_t acklen_  = 0;  // # bytes ack by server