diff --git a/source/coap_message_handler.c b/source/coap_message_handler.c
index 613547c8d2..843fd10b1d 100644
--- a/source/coap_message_handler.c
+++ b/source/coap_message_handler.c
@@ -294,7 +294,6 @@ uint16_t coap_message_handler_request_send(coap_msg_handler_t *handle, int8_t se
     data_len = sn_coap_builder_calc_needed_packet_data_size(&request);
     data_ptr = own_alloc(data_len);
     if(data_len > 0 && !data_ptr){
-        own_free(request.content_type_ptr);
         transaction_delete(transaction_ptr);
         return 0;
     }
@@ -303,7 +302,6 @@ uint16_t coap_message_handler_request_send(coap_msg_handler_t *handle, int8_t se
     handle->sn_coap_tx_callback(data_ptr, data_len, &dst_addr, transaction_ptr);
 
     // Free allocated data
-    own_free(request.content_type_ptr);
     own_free(data_ptr);
     if(request_response_cb == NULL){
         //No response expected
@@ -373,26 +371,19 @@ int8_t coap_message_handler_exec(coap_msg_handler_t *handle, uint32_t current_ti
 
 static void coap_service_build_content_format(sn_coap_hdr_s *header, sn_coap_content_format_e format)
 {
-    if (format == COAP_CT_NONE) {
-        return;
-    }
+    header->content_format = format;
 
-    /* Always alloc - CoAP library needs a non-NULL pointer to trigger writing
-     * of a zero-length option, and it will free the pointer later.
-     */
-    header->content_type_ptr = own_alloc(2);
-    if (!header->content_type_ptr) {
-        return;
-    }
-
-    if (format == 0) { /* text/plain */
-        header->content_type_len = 0;
-    } else if (format <= 0xff) {
-        header->content_type_ptr[0] = format;
-        header->content_type_len = 1;
-    } else {
-        header->content_type_ptr[0] = format >> 8;
-        header->content_type_ptr[1] = format & 0xff;
-        header->content_type_len = 2;
-    }
+//    if (format == COAP_CT_NONE) {
+//        return;
+//    }
+//    if (format == 0) { /* text/plain */
+//        header->content_type_len = 0;
+//    } else if (format <= 0xff) {
+//        header->content_type_ptr[0] = format;
+//        header->content_type_len = 1;
+//    } else {
+//        header->content_type_ptr[0] = format >> 8;
+//        header->content_type_ptr[1] = format & 0xff;
+//        header->content_type_len = 2;
+//    }
 }
diff --git a/test/coap-service/unittest/coap_message_handler/test_coap_message_handler.c b/test/coap-service/unittest/coap_message_handler/test_coap_message_handler.c
index 9210150458..bfb3c20cec 100644
--- a/test/coap-service/unittest/coap_message_handler/test_coap_message_handler.c
+++ b/test/coap-service/unittest/coap_message_handler/test_coap_message_handler.c
@@ -39,7 +39,7 @@ int resp_recv(int8_t service_id, uint16_t msg_id, sn_coap_hdr_s *response_ptr){
 
 int16_t process_cb(int8_t a, sn_coap_hdr_s *b, coap_transaction_t *c)
 {
-
+    return retValue;
 }
 
 bool test_coap_message_handler_init()
@@ -140,11 +140,12 @@ bool test_coap_message_handler_coap_msg_process()
     memset(sn_coap_protocol_stub.expectedHeader, 0, sizeof(sn_coap_hdr_s));
     sn_coap_protocol_stub.expectedHeader->coap_status = COAP_STATUS_OK;
     sn_coap_protocol_stub.expectedHeader->msg_code = 1;
-    retValue = -1;
+    retValue = 0;
     if( 0 != coap_message_handler_coap_msg_process(handle, 0, buf, 22, NULL, 0, process_cb))
         return false;
 
     nsdynmemlib_stub.returnCounter = 1;
+    retValue = -1;
     if( -1 != coap_message_handler_coap_msg_process(handle, 0, buf, 22, NULL, 0, process_cb))
         return false;
 
@@ -265,13 +266,13 @@ bool test_coap_message_handler_response_send()
 
     sn_coap_builder_stub.expectedHeader = (sn_coap_hdr_s *)malloc(sizeof(sn_coap_hdr_s));
     memset(sn_coap_builder_stub.expectedHeader, 0, sizeof(sn_coap_hdr_s));
-    nsdynmemlib_stub.returnCounter = 1;
+    nsdynmemlib_stub.returnCounter = 0;
     if( -1 != coap_message_handler_response_send(handle, 2, 0, header, 1,3,NULL, 0))
         return false;
 
     sn_coap_builder_stub.expectedHeader = (sn_coap_hdr_s *)malloc(sizeof(sn_coap_hdr_s));
     memset(sn_coap_builder_stub.expectedHeader, 0, sizeof(sn_coap_hdr_s));
-    nsdynmemlib_stub.returnCounter = 2;
+    nsdynmemlib_stub.returnCounter = 1;
     if( 0 != coap_message_handler_response_send(handle, 2, 0, header, 1,3,NULL, 0))
         return false;
 
diff --git a/test/coap-service/unittest/stub/coap_message_handler_stub.h b/test/coap-service/unittest/stub/coap_message_handler_stub.h
index c8c37d142c..5cbb974160 100644
--- a/test/coap-service/unittest/stub/coap_message_handler_stub.h
+++ b/test/coap-service/unittest/stub/coap_message_handler_stub.h
@@ -23,6 +23,7 @@ extern "C" {
 #endif
 
 #include <inttypes.h>
+#include <stdbool.h>
 #include "coap_message_handler.h"
 
 typedef struct {
diff --git a/test/coap-service/unittest/stub/sn_coap_parser_stub.c b/test/coap-service/unittest/stub/sn_coap_parser_stub.c
index 327b74998e..d177012671 100644
--- a/test/coap-service/unittest/stub/sn_coap_parser_stub.c
+++ b/test/coap-service/unittest/stub/sn_coap_parser_stub.c
@@ -34,15 +34,7 @@ void sn_coap_parser_release_allocated_coap_msg_mem(struct coap_s *handle, sn_coa
             free(freed_coap_msg_ptr->token_ptr);
         }
 
-        if (freed_coap_msg_ptr->content_type_ptr != NULL) {
-            free(freed_coap_msg_ptr->content_type_ptr);
-        }
-
         if (freed_coap_msg_ptr->options_list_ptr != NULL) {
-            if (freed_coap_msg_ptr->options_list_ptr->max_age_ptr != NULL) {
-                free(freed_coap_msg_ptr->options_list_ptr->max_age_ptr);
-            }
-
             if (freed_coap_msg_ptr->options_list_ptr->proxy_uri_ptr != NULL) {
                 free(freed_coap_msg_ptr->options_list_ptr->proxy_uri_ptr);
             }
@@ -59,33 +51,14 @@ void sn_coap_parser_release_allocated_coap_msg_mem(struct coap_s *handle, sn_coa
                 free(freed_coap_msg_ptr->options_list_ptr->location_path_ptr);
             }
 
-            if (freed_coap_msg_ptr->options_list_ptr->uri_port_ptr != NULL) {
-                free(freed_coap_msg_ptr->options_list_ptr->uri_port_ptr);
-            }
-
             if (freed_coap_msg_ptr->options_list_ptr->location_query_ptr != NULL) {
                 free(freed_coap_msg_ptr->options_list_ptr->location_query_ptr);
             }
 
-            if (freed_coap_msg_ptr->options_list_ptr->observe_ptr != NULL) {
-                free(freed_coap_msg_ptr->options_list_ptr->observe_ptr);
-            }
-
             if (freed_coap_msg_ptr->options_list_ptr->uri_query_ptr != NULL) {
                 free(freed_coap_msg_ptr->options_list_ptr->uri_query_ptr);
             }
 
-            if (freed_coap_msg_ptr->options_list_ptr->block2_ptr != NULL) {
-                free(freed_coap_msg_ptr->options_list_ptr->block2_ptr);
-            }
-
-            if (freed_coap_msg_ptr->options_list_ptr->block1_ptr != NULL) {
-                free(freed_coap_msg_ptr->options_list_ptr->block1_ptr);
-            }
-            if (freed_coap_msg_ptr->options_list_ptr->accept_ptr != NULL) {
-                free(freed_coap_msg_ptr->options_list_ptr->accept_ptr);
-            }
-
             free(freed_coap_msg_ptr->options_list_ptr);
         }