Index: abi/include/abi/ipc/ipc.h
===================================================================
--- abi/include/abi/ipc/ipc.h	(revision 0fb1755f9a1204c8e5bf55872e7b17086340cd84)
+++ abi/include/abi/ipc/ipc.h	(revision bd1b755bfe6149ded5ce80afe5c242c6acc68789)
@@ -38,5 +38,5 @@
 /** Length of data being transfered with IPC call
  *
- * The uspace may not be able to utilize full length
+ * The uspace may not be able to utilize the full length
  *
  */
@@ -49,5 +49,5 @@
 
 /** This is answer to a call */
-#define IPC_CALL_ANSWERED  (1 << 0)
+#define IPC_CALL_ANSWERED        (1 << 0)
 
 /** Answer will not be passed to userspace, will be discarded */
@@ -55,8 +55,8 @@
 
 /** Call was forwarded */
-#define IPC_CALL_FORWARDED  (1 << 2)
+#define IPC_CALL_FORWARDED       (1 << 2)
 
 /** Interrupt notification */
-#define IPC_CALL_NOTIF  (1 << 3)
+#define IPC_CALL_NOTIF           (1 << 3)
 
 /**
@@ -65,18 +65,4 @@
  */
 #define DATA_XFER_LIMIT  (64 * 1024)
-
-
-/** Bits used in call hashes.
- *
- * The addresses are aligned at least to 4 that is why we can use the 2 least
- * significant bits of the call address.
- *
- */
-
-/** Type of this call is 'answer' */
-#define IPC_CALLID_ANSWERED  1
-
-/** Type of this call is 'notification' */
-#define IPC_CALLID_NOTIFICATION  2
 
 /* Macros for manipulating calling data */