diff --git a/core/dom/PropertyNodeList.idl b/core/dom/PropertyNodeList.idl
deleted file mode 100644
index 85ba9d6..0000000
--- a/core/dom/PropertyNodeList.idl
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (c) 2012 Motorola Mobility, Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- *
- * Neither the name of Motorola Mobility, Inc. nor the names of its contributors may
- * be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-[
-    Conditional=MICRODATA,
-    IndexedGetter
-] interface PropertyNodeList : NodeList {
-
-    sequence<MicroDataItemValue> getValues();
-    Node item(unsigned long index);
-
-    readonly attribute unsigned long length;
-};
diff --git a/core/html/HTMLPropertiesCollection.idl b/core/html/HTMLPropertiesCollection.idl
deleted file mode 100644
index 894c4fe..0000000
--- a/core/html/HTMLPropertiesCollection.idl
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2011 Motorola Mobility, Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- *
- * Neither the name of Motorola Mobility, Inc. nor the names of its contributors may
- * be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-[
-    Conditional=MICRODATA,
-    IndexedGetter,
-    CustomNamedGetter
-] interface HTMLPropertiesCollection : HTMLCollection {
-    readonly attribute unsigned long length;
-    Node item(unsigned long index);
-
-    readonly attribute DOMStringList names;
-    [ImplementedAs=propertyNodeList] PropertyNodeList namedItem(DOMString name);
-};
diff --git a/core/html/MicroDataItemValue.idl b/core/html/MicroDataItemValue.idl
deleted file mode 100644
index 3581181..0000000
--- a/core/html/MicroDataItemValue.idl
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright (c) 2012 Motorola Mobility, Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- *
- * Neither the name of Motorola Mobility, Inc. nor the names of its contributors may
- * be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-[
-    Conditional=MICRODATA,
-    CustomToJSObject,
-    NoWrapperCache
-] interface MicroDataItemValue {
-};
diff --git a/modules/proximity/DeviceProximityEvent.idl b/modules/proximity/DeviceProximityEvent.idl
deleted file mode 100644
index 519a60b..0000000
--- a/modules/proximity/DeviceProximityEvent.idl
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- *  Copyright (C) 2012 Samsung Electronics
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Library General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Library General Public License for more details.
- *
- *  You should have received a copy of the GNU Library General Public License
- *  along with this library; see the file COPYING.LIB.  If not, write to
- *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- *  Boston, MA 02110-1301, USA.
- */
-
-[
-    Conditional=PROXIMITY_EVENTS,
-    ConstructorTemplate=Event
-] interface DeviceProximityEvent : Event {
-    [InitializedByEventConstructor] readonly attribute double value;
-    [InitializedByEventConstructor] readonly attribute double min;
-    [InitializedByEventConstructor] readonly attribute double max;
-};
-