diff --git a/libc/include/sys/klog.h b/libc/include/sys/klog.h
index 02851d2..acfaa20 100644
--- a/libc/include/sys/klog.h
+++ b/libc/include/sys/klog.h
@@ -25,6 +25,7 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
+
 #ifndef _SYS_KLOG_H_
 #define _SYS_KLOG_H_
 
@@ -45,13 +46,6 @@
 #define KLOG_SIZE_UNREAD   9
 #define KLOG_SIZE_BUFFER   10
 
-/* These are deprecated names that were used in earlier bionic releases. Do not use. */
-#define KLOG_DISABLE 6
-#define KLOG_ENABLE 7
-#define KLOG_SETLEVEL 8
-#define KLOG_UNREADSIZE 9
-#define KLOG_WRITE 10
-
 extern int klogctl(int, char *, int);
 
 __END_DECLS