Index: uspace/app/dltest/dltest.c
===================================================================
--- uspace/app/dltest/dltest.c	(revision 18b6a8849d630cc3bca153fb21bd225eebb16f4c)
+++ uspace/app/dltest/dltest.c	(revision e63468473345cf0a982276dc4d69b496d2a0f7ec)
@@ -891,7 +891,9 @@
 #endif /* STATIC_EXE */
 
-//	printf("dlclose()... ");
-//	dlclose(handle);
-//	printf("Passed\n");
+#if 0
+	printf("dlclose()... ");
+	dlclose(handle);
+	printf("Passed\n");
+#endif
 
 	return 0;
Index: uspace/app/trace/trace.c
===================================================================
--- uspace/app/trace/trace.c	(revision 18b6a8849d630cc3bca153fb21bd225eebb16f4c)
+++ uspace/app/trace/trace.c	(revision e63468473345cf0a982276dc4d69b496d2a0f7ec)
@@ -381,6 +381,4 @@
 	rc = udebug_args_read(sess, thread_hash, sc_args);
 
-//	printf("[%d] ", thread_id);
-
 	if (rc != EOK) {
 		printf("error\n");
@@ -454,5 +452,4 @@
 		    &ev_type, &val0, &val1);
 
-//		printf("rc = %d, ev_type=%d\n", rc, ev_type);
 		if (ev_type == UDEBUG_EVENT_FINISHED) {
 			/* Done tracing this thread */
Index: uspace/app/wavplay/wave.c
===================================================================
--- uspace/app/wavplay/wave.c	(revision 18b6a8849d630cc3bca153fb21bd225eebb16f4c)
+++ uspace/app/wavplay/wave.c	(revision e63468473345cf0a982276dc4d69b496d2a0f7ec)
@@ -86,5 +86,5 @@
 		if (error)
 			*error = "invalid subchunk1 size";
-//		return EINVAL;
+		return EINVAL;
 	}
 
@@ -100,5 +100,5 @@
 		if (error)
 			*error = "invalid subchunk2 id";
-//		return EINVAL;
+		return EINVAL;
 	}