Index: uspace/lib/drv/generic/driver.c
===================================================================
--- uspace/lib/drv/generic/driver.c	(revision 475fe35d6025e59b38298e9a1098b1e85563a277)
+++ uspace/lib/drv/generic/driver.c	(revision cb819f92c9dcc88804bdf9c7b5816464ce237d44)
@@ -203,6 +203,5 @@
 			break;
 		default:
-			if (!(callid & IPC_CALLID_NOTIFICATION))
-				ipc_answer_0(callid, ENOENT);
+			ipc_answer_0(callid, ENOENT);
 		}
 	}
Index: uspace/srv/clip/clip.c
===================================================================
--- uspace/srv/clip/clip.c	(revision 475fe35d6025e59b38298e9a1098b1e85563a277)
+++ uspace/srv/clip/clip.c	(revision cb819f92c9dcc88804bdf9c7b5816464ce237d44)
@@ -172,6 +172,5 @@
 			break;
 		default:
-			if (!(callid & IPC_CALLID_NOTIFICATION))
-				ipc_answer_0(callid, ENOENT);
+			ipc_answer_0(callid, ENOENT);
 		}
 	}
Index: uspace/srv/devman/main.c
===================================================================
--- uspace/srv/devman/main.c	(revision 475fe35d6025e59b38298e9a1098b1e85563a277)
+++ uspace/srv/devman/main.c	(revision cb819f92c9dcc88804bdf9c7b5816464ce237d44)
@@ -405,6 +405,5 @@
 			break;
 		default:
-			if (!(callid & IPC_CALLID_NOTIFICATION))
-				ipc_answer_0(callid, ENOENT);
+			ipc_answer_0(callid, ENOENT);
 		}
 	}
Index: uspace/srv/devmap/devmap.c
===================================================================
--- uspace/srv/devmap/devmap.c	(revision 475fe35d6025e59b38298e9a1098b1e85563a277)
+++ uspace/srv/devmap/devmap.c	(revision cb819f92c9dcc88804bdf9c7b5816464ce237d44)
@@ -1052,6 +1052,5 @@
 			break;
 		default:
-			if (!(callid & IPC_CALLID_NOTIFICATION))
-				ipc_answer_0(callid, ENOENT);
+			ipc_answer_0(callid, ENOENT);
 		}
 	}
@@ -1111,6 +1110,5 @@
 			break;
 		default:
-			if (!(callid & IPC_CALLID_NOTIFICATION))
-				ipc_answer_0(callid, ENOENT);
+			ipc_answer_0(callid, ENOENT);
 		}
 	}
Index: uspace/srv/loader/main.c
===================================================================
--- uspace/srv/loader/main.c	(revision 475fe35d6025e59b38298e9a1098b1e85563a277)
+++ uspace/srv/loader/main.c	(revision cb819f92c9dcc88804bdf9c7b5816464ce237d44)
@@ -411,6 +411,5 @@
 			break;
 		}
-		if ((callid & IPC_CALLID_NOTIFICATION) == 0 &&
-		    IPC_GET_METHOD(call) != IPC_M_PHONE_HUNGUP) {
+		if (IPC_GET_METHOD(call) != IPC_M_PHONE_HUNGUP) {
 			DPRINTF("Responding EINVAL to method %d.\n",
 			    IPC_GET_METHOD(call));