diff --git a/tests/controls/dialogtest.cpp b/tests/controls/dialogtest.cpp
index 2bd2a7cac2..be852910b6 100644
--- a/tests/controls/dialogtest.cpp
+++ b/tests/controls/dialogtest.cpp
@@ -29,8 +29,9 @@ public:
 
 private:
     CPPUNIT_TEST_SUITE( ModalDialogsTestCase );
-// FIXME: this test will cause test_gui segmentation fault. Disable it for now.
-#if !defined(__WXUNIVERSAL__) && !defined (__WXX11__)
+// wxInfoBar has bug under x11. It will cause the dialog crash
+// Disable it for now.
+#if !defined (__WXX11__)
         CPPUNIT_TEST( MessageDialog );
 #endif
         CPPUNIT_TEST( FileDialog );
diff --git a/tests/events/propagation.cpp b/tests/events/propagation.cpp
index a1c3a2a874..20cb000f2a 100644
--- a/tests/events/propagation.cpp
+++ b/tests/events/propagation.cpp
@@ -241,7 +241,11 @@ private:
         CPPUNIT_TEST( ForwardEvent );
         CPPUNIT_TEST( ScrollWindowWithoutHandler );
         CPPUNIT_TEST( ScrollWindowWithHandler );
-        //CPPUNIT_TEST( MenuEvent );
+// for unknown reason, this test will cause the tests segmentation failed
+// under x11, disable it for now.
+#if !defined (__WXX11__)
+        CPPUNIT_TEST( MenuEvent );
+#endif
         CPPUNIT_TEST( DocView );
         WXUISIM_TEST( ContextMenuEvent );
     CPPUNIT_TEST_SUITE_END();
diff --git a/tests/exec/exec.cpp b/tests/exec/exec.cpp
index a547500cd6..ed27f04d74 100644
--- a/tests/exec/exec.cpp
+++ b/tests/exec/exec.cpp
@@ -68,8 +68,9 @@ public:
 
 private:
     CPPUNIT_TEST_SUITE( ExecTestCase );
-// FIXME: this test will cause test_gui segmentation fault. Disable it for now.
-#if !defined(__WXUNIVERSAL__) && !defined (__WXX11__)
+// wxX11 didn't implement some required features. Disable these tests
+// for now.
+#if !defined (__WXX11__)
         CPPUNIT_TEST( TestShell );
         CPPUNIT_TEST( TestExecute );
         CPPUNIT_TEST( TestProcess );