diff --git a/src/include/general.h b/src/include/general.h
index b9867e8..c88b69f 100644
--- a/src/include/general.h
+++ b/src/include/general.h
@@ -42,6 +42,8 @@
 #include "platform.h"
 #include "platform_support.h"
 
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
+
 extern uint32_t delay_cnt;
 
 enum BMP_DEBUG {
diff --git a/src/target/cortexa.c b/src/target/cortexa.c
index dbd07f3..fa231a6 100644
--- a/src/target/cortexa.c
+++ b/src/target/cortexa.c
@@ -36,8 +36,6 @@
 
 #include <assert.h>
 
-#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
-
 static const char cortexa_driver_str[] = "ARM Cortex-A";
 
 static bool cortexa_attach(target *t);
diff --git a/src/target/cortexm.c b/src/target/cortexm.c
index fff6a45..fda1699 100644
--- a/src/target/cortexm.c
+++ b/src/target/cortexm.c
@@ -63,8 +63,6 @@
 #include <fcntl.h>
 #endif
 
-#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
-
 static const char cortexm_driver_str[] = "ARM Cortex-M";
 
 static bool cortexm_vector_catch(target *t, int argc, char *argv[]);