diff --git a/src/http/iot/http.cpp b/src/http/iot/http.cpp
index e38bcbae..11effd5f 100644
--- a/src/http/iot/http.cpp
+++ b/src/http/iot/http.cpp
@@ -43,7 +43,6 @@ class PlatformHTTP : public AbstractHTTP
         delay(1000);
         httpClient.addHeader("Content-Type", "application/json");
         httpClient.addHeader("API-Version", "2");
-        httpClient.addHeader("Accept", "application/vnd.ark.core-api.v2+json");
         httpClient.begin(request);
         code = httpClient.GET();
         count++;
diff --git a/src/http/os/http.cpp b/src/http/os/http.cpp
index 617858d4..e4e946e3 100644
--- a/src/http/os/http.cpp
+++ b/src/http/os/http.cpp
@@ -41,7 +41,6 @@ class PlatformHTTP : public AbstractHTTP
         curl_slist *header_list = nullptr;
         header_list = curl_slist_append(header_list, "Content-Type: application/json");
         header_list = curl_slist_append(header_list, "API-Version: 2");
-        header_list = curl_slist_append(header_list, "Accept: application/vnd.ark.core-api.v2+json");
         curl_easy_setopt(curl, CURLOPT_HTTPHEADER, header_list);
 
         /* skip https verification */