diff --git a/sys/suit/handlers_command_seq.c b/sys/suit/handlers_command_seq.c
index 13c14abe96..1b4d56104c 100644
--- a/sys/suit/handlers_command_seq.c
+++ b/sys/suit/handlers_command_seq.c
@@ -49,8 +49,8 @@ static int _get_component_size(suit_manifest_t *manifest,
 {
     nanocbor_value_t param_size;
     if ((suit_param_ref_to_cbor(manifest, &comp->param_size, &param_size) == 0)
-            || (nanocbor_get_uint32(&param_size, img_size) < 0)) { return
-        SUIT_ERR_INVALID_MANIFEST;
+            || (nanocbor_get_uint32(&param_size, img_size) < 0)) {
+        return SUIT_ERR_INVALID_MANIFEST;
     }
     return SUIT_OK;
 }
@@ -359,9 +359,8 @@ static int _dtv_fetch(suit_manifest_t *manifest, int key,
     if (0) {}
 #ifdef MODULE_SUIT_TRANSPORT_COAP
     else if (strncmp(manifest->urlbuf, "coap://", 7) == 0) {
-        uint8_t buffer[NANOCOAP_BLOCKWISE_BUF(CONFIG_SUIT_COAP_BLOCKSIZE)];
         res = nanocoap_get_blockwise_url(manifest->urlbuf, CONFIG_SUIT_COAP_BLOCKSIZE,
-                                         buffer, suit_storage_helper,
+                                         suit_storage_helper,
                                          manifest);
     }
 #endif
diff --git a/sys/suit/transport/coap.c b/sys/suit/transport/coap.c
index 43ce661364..44f24367f7 100644
--- a/sys/suit/transport/coap.c
+++ b/sys/suit/transport/coap.c
@@ -112,10 +112,10 @@ ssize_t coap_subtree_handler(coap_pkt_t *pkt, uint8_t *buf, size_t len,
                              subtree->resources_numof);
 }
 
-static void _suit_handle_url(const char *url, coap_blksize_t blksize, void *work_buf)
+static void _suit_handle_url(const char *url, coap_blksize_t blksize)
 {
     LOG_INFO("suit_coap: downloading \"%s\"\n", url);
-    ssize_t size = nanocoap_get_blockwise_url_to_buf(url, blksize, work_buf,
+    ssize_t size = nanocoap_get_blockwise_url_to_buf(url, blksize,
                                                      _manifest_buf,
                                                      SUIT_MANIFEST_BUFSIZE);
     if (size >= 0) {
@@ -204,8 +204,6 @@ static void *_suit_coap_thread(void *arg)
 {
     (void)arg;
 
-    uint8_t buffer[NANOCOAP_BLOCKWISE_BUF(CONFIG_SUIT_COAP_BLOCKSIZE)];
-
     LOG_INFO("suit_coap: started.\n");
     msg_t msg_queue[4];
     msg_init_queue(msg_queue, 4);
@@ -219,7 +217,7 @@ static void *_suit_coap_thread(void *arg)
         switch (m.content.value) {
             case SUIT_MSG_TRIGGER:
                 LOG_INFO("suit_coap: trigger received\n");
-                _suit_handle_url(_url, CONFIG_SUIT_COAP_BLOCKSIZE, buffer);
+                _suit_handle_url(_url, CONFIG_SUIT_COAP_BLOCKSIZE);
                 break;
             default:
                 LOG_WARNING("suit_coap: warning: unhandled msg\n");
diff --git a/tests/nanocoap_cli/nanocli_client.c b/tests/nanocoap_cli/nanocli_client.c
index ebc2a96bc8..d0ce7ce024 100644
--- a/tests/nanocoap_cli/nanocli_client.c
+++ b/tests/nanocoap_cli/nanocli_client.c
@@ -204,9 +204,8 @@ int nanotest_client_url_cmd(int argc, char **argv)
         return -1;
     }
 
-    uint8_t buffer[NANOCOAP_BLOCKWISE_BUF(COAP_BLOCKSIZE_32)];
-    return  nanocoap_get_blockwise_url(argv[2], COAP_BLOCKSIZE_32, buffer,
-                                       _blockwise_cb, NULL);
+    return nanocoap_get_blockwise_url(argv[2], COAP_BLOCKSIZE_32,
+                                      _blockwise_cb, NULL);
 error:
     printf("usage: %s <get|post|put> <url> [data]\n", argv[0]);
     return -1;