diff --git a/impl/src/layer1/rx.c b/impl/src/layer1/rx.c
index 0944088..e264178 100644
--- a/impl/src/layer1/rx.c
+++ b/impl/src/layer1/rx.c
@@ -454,7 +454,7 @@ result_t layer1_rx_process(layer1_rx_t *rx, const float complex *samples, size_t
 									payload_enc, 8, sizeof(payload_enc), &nsyms));
 
 						fec payload_fec = modcod_create_fec(rx->modcod);
-						result_t res = fec_decode(payload_fec, rx->payload_len_bytes, payload_enc, payload);
+						int res = fec_decode(payload_fec, rx->payload_len_bytes, payload_enc, payload);
 						fec_destroy(payload_fec);
 
 						if(res != LIQUID_OK) {
diff --git a/impl/src/main.c b/impl/src/main.c
index 8707a0e..a9e7fa7 100644
--- a/impl/src/main.c
+++ b/impl/src/main.c
@@ -126,8 +126,6 @@ void cb_rx(rx_evt_t evt, const struct layer1_rx_s *rx, uint8_t *packet_data, siz
 }
 
 
-static int debug_fd;
-
 static result_t transmit(sdr_ctx_t *sdr, const float complex *samples, size_t len)
 {
 	size_t to_transmit_rf = len * SDR_OVERSAMPLING;
@@ -165,8 +163,6 @@ int main(int argc, char **argv)
 
 	bool on_air = true;
 
-	debug_fd = open("/tmp/dump.cf32", O_CREAT | O_WRONLY | O_TRUNC);
-
 	// ** Initialize **
 
 	char devname[IFNAMSIZ] = "hamnet70";
@@ -368,8 +364,6 @@ int main(int argc, char **argv)
 		}
 	}
 
-	close(debug_fd);
-
 	// ** Cleanup **
 
 	layer1_tx_shutdown(&tx);
diff --git a/impl/src/utils.c b/impl/src/utils.c
index 7f8daa7..5d48336 100644
--- a/impl/src/utils.c
+++ b/impl/src/utils.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <ctype.h>
 
 #include <errno.h>
 #include <time.h>