diff --git a/ports/psoc6/mphalport.c b/ports/psoc6/mphalport.c
index 3602aa59df767..04e1c4d1da945 100644
--- a/ports/psoc6/mphalport.c
+++ b/ports/psoc6/mphalport.c
@@ -87,6 +87,11 @@ uintptr_t mp_hal_stdio_poll(uintptr_t poll_flags) {
     return ret;
 }
 
+// Send string of given length
+void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
+    int r = write(STDOUT_FILENO, str, len);
+    (void)r;
+}
 
 int mp_hal_stdin_rx_chr(void) {
     for (;;) {
diff --git a/ports/psoc6/mphalport.h b/ports/psoc6/mphalport.h
index 94b37c155fcf1..9982cc1e8720a 100644
--- a/ports/psoc6/mphalport.h
+++ b/ports/psoc6/mphalport.h
@@ -54,14 +54,6 @@ uintptr_t mp_hal_stdio_poll(uintptr_t poll_flags);
 
 int mp_hal_stdin_rx_chr(void);
 
-
-// Send string of given length
-STATIC inline void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
-    int r = write(STDOUT_FILENO, str, len);
-    (void)r;
-}
-
-
 mp_uint_t begin_atomic_section();
 void end_atomic_section(mp_uint_t state);