diff --git a/sys/include/transceiver.h b/sys/include/transceiver.h
index 1c3d5be666b831f8452f9039b63e4dd93d298241..979b5bf7c1033be50d227c3960c49ce6930136a7 100644
--- a/sys/include/transceiver.h
+++ b/sys/include/transceiver.h
@@ -80,7 +80,7 @@ typedef struct {
 typedef struct {
     transceiver_type_t transceivers;
     void *data;
-} transceiver_command_t;;
+} transceiver_command_t;
 
 /* The transceiver thread's pid */
 extern int transceiver_pid;
diff --git a/sys/lib/hashtable_private.h b/sys/lib/hashtable_private.h
index 58bbef81f4d5873bfcad51deb9fe9ab1b3cb60e1..2b2077bd1504ea67f17aea83446bf0dba1f45e2a 100644
--- a/sys/lib/hashtable_private.h
+++ b/sys/lib/hashtable_private.h
@@ -32,7 +32,7 @@ static inline unsigned int
 indexFor(unsigned int tablelength, unsigned int hashvalue)
 {
     return (hashvalue % tablelength);
-};
+}
 
 /* Only works if tablelength == 2^N */
 /*static inline unsigned int