diff --git a/port/apollo2-em9304/btstack_config.h b/port/apollo2-em9304/btstack_config.h
index 79a3735f5..cc0750f1b 100644
--- a/port/apollo2-em9304/btstack_config.h
+++ b/port/apollo2-em9304/btstack_config.h
@@ -17,22 +17,12 @@
 #define ENABLE_LOG_ERROR
 
 // BTstack configuration. buffers, sizes, ...
-#define HCI_ACL_PAYLOAD_SIZE 100
+#define HCI_ACL_PAYLOAD_SIZE 200
 #define MAX_NR_WHITELIST_ENTRIES 1
 #define MAX_NR_HCI_CONNECTIONS 1
 #define MAX_NR_SM_LOOKUP_ENTRIES 3
-#define MAX_NR_L2CAP_SERVICES 1
-#define MAX_NR_L2CAP_CHANNELS 1
 #define MAX_NR_GATT_CLIENTS 1
 
-#define MAX_NR_RFCOMM_MULTIPLEXERS 0
-#define MAX_NR_RFCOMM_SERVICES 0
-#define MAX_NR_RFCOMM_CHANNELS 0
-#define MAX_NR_HFP_CONNECTIONS 0
-#define MAX_NR_BTSTACK_LINK_KEY_DB_MEMORY_ENTRIES 0
-#define MAX_NR_BNEP_SERVICES 0
-#define MAX_NR_BNEP_CHANNELS 0
-#define MAX_NR_SERVICE_RECORD_ITEMS 1
 #define MAX_NR_LE_DEVICE_DB_ENTRIES 1
 
 #endif