diff --git a/src/platforms/libftdi/Makefile.inc b/src/platforms/libftdi/Makefile.inc
index fa6292b5..f7cc9c53 100644
--- a/src/platforms/libftdi/Makefile.inc
+++ b/src/platforms/libftdi/Makefile.inc
@@ -1,2 +1,2 @@
-CFLAGS += -DLIBFTDI
+CFLAGS += -DLIBFTDI -Wno-format
 LDFLAGS += -lftdi -lusb
diff --git a/src/platforms/libftdi/gdb_if.c b/src/platforms/libftdi/gdb_if.c
index 4b4f4a5e..ff49b57a 100644
--- a/src/platforms/libftdi/gdb_if.c
+++ b/src/platforms/libftdi/gdb_if.c
@@ -108,7 +108,9 @@ unsigned char gdb_if_getchar_to(int timeout)
 
 void gdb_if_putchar(unsigned char c, int flush)
 {
-	if(gdb_if_conn > 0) 
+	(void)flush;
+
+	if (gdb_if_conn > 0)
 		send(gdb_if_conn, &c, 1, 0);
 }
 
diff --git a/src/platforms/libftdi/jtagtap.c b/src/platforms/libftdi/jtagtap.c
index cd58707c..c9146462 100644
--- a/src/platforms/libftdi/jtagtap.c
+++ b/src/platforms/libftdi/jtagtap.c
@@ -51,12 +51,11 @@
 
 int jtagtap_init(void)
 {
-	int err;
-
 	assert(ftdic != NULL);
 
 	/* Go to JTAG mode for SWJ-DP */
-	for(int i = 0; i <= 50; i++) jtagtap_next(1, 0); /* Reset SW-DP */
+	for (int i = 0; i <= 50; i++)
+		jtagtap_next(1, 0);		/* Reset SW-DP */
 	jtagtap_tms_seq(0xE73C, 16);		/* SWD to JTAG sequence */
 	jtagtap_soft_reset();
 
diff --git a/src/platforms/libftdi/platform.c b/src/platforms/libftdi/platform.c
index e3cad358..ec2a8f19 100644
--- a/src/platforms/libftdi/platform.c
+++ b/src/platforms/libftdi/platform.c
@@ -267,3 +267,11 @@ void platform_delay(uint32_t delay)
 	usleep(delay * 100000);
 }
 
+void morse(const char *msg, char repeat)
+{
+	(void)repeat;
+
+	if (msg != NULL)
+		fprintf(stderr,"%s\n", msg);
+}
+
diff --git a/src/platforms/libftdi/platform.h b/src/platforms/libftdi/platform.h
index e23bf96c..5ce45fda 100644
--- a/src/platforms/libftdi/platform.h
+++ b/src/platforms/libftdi/platform.h
@@ -40,12 +40,12 @@
 #define PLATFORM_FATAL_ERROR(error)	abort()
 #define PLATFORM_SET_FATAL_ERROR_RECOVERY()
 
-#define morse(x, y) fprintf(stderr,"%s\n", x)
 #define morse_msg 0
 
 extern struct ftdi_context *ftdic;
 
 int platform_init(int argc, char **argv);
+void morse(const char *msg, char repeat);
 const char *platform_target_voltage(void);
 void platform_delay(uint32_t delay);