diff --git a/src/core/channel/connected_channel.c b/src/core/channel/connected_channel.c
index 61a6caf03286353e932ba02cba16b788c2387dfb..2d61d389e42302facc5d9fde6d72d56fdd0a5fbf 100644
--- a/src/core/channel/connected_channel.c
+++ b/src/core/channel/connected_channel.c
@@ -467,17 +467,11 @@ static void transport_goaway(void *user_data, grpc_transport *transport,
   /* transport got goaway ==> call up and handle it */
   grpc_channel_element *elem = user_data;
   channel_data *chand = elem->channel_data;
-  char *msg;
   grpc_channel_op op;
 
   GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   GPR_ASSERT(chand->transport == transport);
 
-  msg = gpr_hexdump((const char *)GPR_SLICE_START_PTR(debug),
-                    GPR_SLICE_LENGTH(debug), GPR_HEXDUMP_PLAINTEXT);
-  gpr_log(GPR_DEBUG, "got goaway: status=%d, message=%s", status, msg);
-  gpr_free(msg);
-
   op.type = GRPC_TRANSPORT_GOAWAY;
   op.dir = GRPC_CALL_UP;
   op.data.goaway.status = status;
diff --git a/test/core/fling/client.c b/test/core/fling/client.c
index 62626996314713619be059b4167dcef2050502db..0a113f033f75cfa5d4e4052601b2d7c983c62267 100644
--- a/test/core/fling/client.c
+++ b/test/core/fling/client.c
@@ -55,7 +55,6 @@ static grpc_op stream_step_ops[2];
 static grpc_metadata_array initial_metadata_recv;
 static grpc_metadata_array trailing_metadata_recv;
 static grpc_byte_buffer *response_payload_recv = NULL;
-static grpc_call_details call_details;
 static grpc_status_code status;
 static char *details = NULL;
 static size_t details_capacity = 0;
@@ -64,7 +63,6 @@ static grpc_op *op;
 static void init_ping_pong_request(void) {
   grpc_metadata_array_init(&initial_metadata_recv);
   grpc_metadata_array_init(&trailing_metadata_recv);
-  grpc_call_details_init(&call_details);
 
   op = ops;
 
@@ -97,6 +95,7 @@ static void step_ping_pong_request(void) {
              grpc_call_start_batch(call, ops, op - ops, (void *)1));
   grpc_event_finish(grpc_completion_queue_next(cq, gpr_inf_future));
   grpc_call_destroy(call);
+  grpc_byte_buffer_destroy(response_payload_recv);
   call = NULL;
 }
 
@@ -121,6 +120,7 @@ static void step_ping_pong_stream(void) {
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(call, stream_step_ops, 2, (void *)1));
   grpc_event_finish(grpc_completion_queue_next(cq, gpr_inf_future));
+  grpc_byte_buffer_destroy(response_payload_recv);
 }
 
 static double now(void) {
diff --git a/test/core/fling/server.c b/test/core/fling/server.c
index bc52059b38aae840dd793949d7e493accfd01bb8..ca0683fa6797f9b795a0ffe15c257ffea50ad2ac 100644
--- a/test/core/fling/server.c
+++ b/test/core/fling/server.c
@@ -87,7 +87,6 @@ typedef struct {
 
 static void request_call(void) {
   grpc_metadata_array_init(&request_metadata_recv);
-  grpc_call_details_init(&call_details);
   grpc_server_request_call(server, &call, &call_details, &request_metadata_recv,
                            cq, tag(FLING_SERVER_NEW_REQUEST));
 }
@@ -218,6 +217,8 @@ int main(int argc, char **argv) {
   gpr_free(addr_buf);
   addr = addr_buf = NULL;
 
+  grpc_call_details_init(&call_details);
+
   request_call();
 
   grpc_profiler_start("server.prof");
@@ -264,6 +265,8 @@ int main(int argc, char **argv) {
             break;
           case FLING_SERVER_WRITE_FOR_STREAMING:
             /* Write completed at server  */
+            grpc_byte_buffer_destroy(payload_buffer);
+            payload_buffer = NULL;
             start_read_op(FLING_SERVER_READ_FOR_STREAMING);
             break;
           case FLING_SERVER_SEND_INIT_METADATA_FOR_STREAMING:
@@ -282,6 +285,8 @@ int main(int argc, char **argv) {
             break;
           case FLING_SERVER_BATCH_OPS_FOR_UNARY:
             /* Finished unary call. */
+            grpc_byte_buffer_destroy(payload_buffer);
+            payload_buffer = NULL;
             grpc_call_destroy(call);
             request_call();
             break;
@@ -305,6 +310,7 @@ int main(int argc, char **argv) {
     grpc_event_finish(ev);
   }
   grpc_profiler_stop();
+  grpc_call_details_destroy(&call_details);
 
   grpc_server_destroy(server);
   grpc_completion_queue_destroy(cq);
diff --git a/test/core/transport/metadata_test.c b/test/core/transport/metadata_test.c
index b23db894bee185c8bfcda605b5067869001046dc..a2d190e1c4e1cada3bc3e62efe10093d446547d7 100644
--- a/test/core/transport/metadata_test.c
+++ b/test/core/transport/metadata_test.c
@@ -44,7 +44,7 @@
 #define LOG_TEST() gpr_log(GPR_INFO, "%s", __FUNCTION__)
 
 /* a large number */
-#define MANY 1000000
+#define MANY 100000
 
 static void test_no_op(void) {
   grpc_mdctx *ctx;