diff --git a/Makefile b/Makefile
index 95d0c303..1abeaf5f 100644
--- a/Makefile
+++ b/Makefile
@@ -230,7 +230,6 @@ DEFINES   += LEDGER_MAJOR_VERSION=$(APPVERSION_M) LEDGER_MINOR_VERSION=$(APPVERS
 #DEFINES       += HAVE_WEBUSB WEBUSB_URL_SIZE_B=$(shell echo -n $(WEBUSB_URL) | wc -c) WEBUSB_URL=$(shell echo -n $(WEBUSB_URL) | sed -e "s/./\\\'\0\\\',/g")
 DEFINES   += HAVE_WEBUSB WEBUSB_URL_SIZE_B=0 WEBUSB_URL=""
 
-DEFINES   += UNUSED\(x\)=\(void\)x
 DEFINES   += APPVERSION=\"$(APPVERSION)\"
 
 DEFINES += BLAKE_SDK
diff --git a/src/main.c b/src/main.c
index 4e0959d4..9f7ac4d6 100644
--- a/src/main.c
+++ b/src/main.c
@@ -605,7 +605,6 @@ struct libargs_s {
 };
 
 static void library_main_helper(struct libargs_s *args) {
-    check_api_level(CX_COMPAT_APILEVEL);
     PRINTF("Inside a library \n");
     switch (args->command) {
         case CHECK_ADDRESS:
@@ -665,7 +664,6 @@ __attribute__((section(".boot"))) int main(int arg0) {
             btchip_altcoin_config_t coin_config;
             init_coin_config(&coin_config);
             PRINTF("Hello from litecoin\n");
-            check_api_level(CX_COMPAT_APILEVEL);
             // delegate to bitcoin app/lib
             libcall_params[0] = "Bitcoin Legacy";
             libcall_params[1] = 0x100;