diff --git a/liblog/include/log/log.h b/liblog/include/log/log.h
index 3a215e976..d01708d8b 100644
--- a/liblog/include/log/log.h
+++ b/liblog/include/log/log.h
@@ -161,7 +161,7 @@ typedef enum {
 #endif
 
 #if __ANDROID_USE_LIBLOG_CLOCK_INTERFACE
-clockid_t android_log_clockid();
+clockid_t android_log_clockid(void);
 #endif
 
 #endif /* __linux__ */
@@ -185,7 +185,7 @@ clockid_t android_log_clockid();
  * May be used to clean up File descriptors after a Fork, the resources are
  * all O_CLOEXEC so wil self clean on exec().
  */
-void __android_log_close();
+void __android_log_close(void);
 #endif
 
 #ifndef __ANDROID_USE_LIBLOG_RATELIMIT_INTERFACE