diff --git a/pjlib/src/pjlib-test/exception.c b/pjlib/src/pjlib-test/exception.c
index 9a479a1..94ab861 100644
--- a/pjlib/src/pjlib-test/exception.c
+++ b/pjlib/src/pjlib-test/exception.c
@@ -54,13 +54,13 @@
 static int throw_id_1(void)
 {
     PJ_THROW( ID_1 );
-    return -1;
+    PJ_UNREACHED(return -1;)
 }
 
 static int throw_id_2(void)
 {
     PJ_THROW( ID_2 );
-    return -1;
+    PJ_UNREACHED(return -1;)
 }
 
 
diff --git a/pjlib/src/pjlib-test/udp_echo_srv_ioqueue.c b/pjlib/src/pjlib-test/udp_echo_srv_ioqueue.c
index f23350e..8646985 100644
--- a/pjlib/src/pjlib-test/udp_echo_srv_ioqueue.c
+++ b/pjlib/src/pjlib-test/udp_echo_srv_ioqueue.c
@@ -150,7 +150,7 @@
         timeout.sec = 0; timeout.msec = 10;
         rc = pj_ioqueue_poll(ioqueue, &timeout);
     }
-    return 0;
+    PJ_UNREACHED(return 0;)
 }
 
 int udp_echo_srv_ioqueue(void)
diff --git a/pjlib/src/pjlib-test/udp_echo_srv_sync.c b/pjlib/src/pjlib-test/udp_echo_srv_sync.c
index 3b0a02b..1b4670e 100644
--- a/pjlib/src/pjlib-test/udp_echo_srv_sync.c
+++ b/pjlib/src/pjlib-test/udp_echo_srv_sync.c
@@ -56,7 +56,7 @@
             continue;
         }
     }
-    return 0;
+    PJ_UNREACHED(return 0;)
 }
 
 
@@ -160,7 +160,7 @@
                           (unsigned)(highest_bw/1000)));
         }
     }
-    return 0;
+    PJ_UNREACHED(return 0;)
 }