diff --git a/dom/base/nsDOMClassInfo.cpp b/dom/base/nsDOMClassInfo.cpp
index a826ea8cff4..c4c451f80ac 100644
--- a/dom/base/nsDOMClassInfo.cpp
+++ b/dom/base/nsDOMClassInfo.cpp
@@ -80,7 +80,6 @@
 #include "nsIDOMDOMException.h"
 #include "nsIDOMDOMStringList.h"
 #include "nsIDOMUserDataHandler.h"
-#include "nsIDOMGeoPositionError.h"
 #include "nsIDOMLoadStatus.h"
 #include "nsIDOMXPathNamespace.h"
 #include "nsIDOMXULButtonElement.h"
@@ -574,8 +573,6 @@ static nsDOMClassInfoData sClassInfoData[] = {
 
   NS_DEFINE_CLASSINFO_DATA(UserDataHandler, nsDOMGenericSH,
                            DOM_DEFAULT_SCRIPTABLE_FLAGS)
-  NS_DEFINE_CLASSINFO_DATA(GeoPositionError, nsDOMGenericSH,
-                           DOM_DEFAULT_SCRIPTABLE_FLAGS)
   NS_DEFINE_CLASSINFO_DATA(LoadStatus, nsDOMGenericSH,
                            DOM_DEFAULT_SCRIPTABLE_FLAGS)
   NS_DEFINE_CLASSINFO_DATA(XPathNamespace, nsDOMGenericSH,
@@ -1474,10 +1471,6 @@ nsDOMClassInfo::Init()
     DOM_CLASSINFO_MAP_ENTRY(nsIDOMUserDataHandler)
   DOM_CLASSINFO_MAP_END
 
-  DOM_CLASSINFO_MAP_BEGIN(GeoPositionError, nsIDOMGeoPositionError)
-    DOM_CLASSINFO_MAP_ENTRY(nsIDOMGeoPositionError)
-  DOM_CLASSINFO_MAP_END
-
   DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(LoadStatus, nsIDOMLoadStatus)
     DOM_CLASSINFO_MAP_ENTRY(nsIDOMLoadStatus)
   DOM_CLASSINFO_MAP_END
@@ -3559,7 +3552,6 @@ const InterfaceShimEntry kInterfaceShimMap[] =
   { "nsIDOMMutationEvent", "MutationEvent" },
   { "nsIDOMSimpleGestureEvent", "SimpleGestureEvent" },
   { "nsIDOMUIEvent", "UIEvent" },
-  { "nsIDOMGeoPositionError", "GeoPositionError" },
   { "nsIDOMHTMLMediaElement", "HTMLMediaElement" },
   { "nsIDOMMediaError", "MediaError" },
   { "nsIDOMLoadStatus", "LoadStatus" },
diff --git a/dom/base/nsDOMClassInfoClasses.h b/dom/base/nsDOMClassInfoClasses.h
index effc66496dd..1d6cd8d7d40 100644
--- a/dom/base/nsDOMClassInfoClasses.h
+++ b/dom/base/nsDOMClassInfoClasses.h
@@ -150,7 +150,6 @@ DOMCI_CLASS(LockedFile)
 DOMCI_CLASS(CSSFontFeatureValuesRule)
 
 DOMCI_CLASS(UserDataHandler)
-DOMCI_CLASS(GeoPositionError)
 DOMCI_CLASS(LoadStatus)
 DOMCI_CLASS(XPathNamespace)
 DOMCI_CLASS(XULControlElement)
diff --git a/dom/src/geolocation/nsGeolocation.cpp b/dom/src/geolocation/nsGeolocation.cpp
index a4a2570b3c2..c7e85f0e543 100644
--- a/dom/src/geolocation/nsGeolocation.cpp
+++ b/dom/src/geolocation/nsGeolocation.cpp
@@ -201,7 +201,6 @@ private:
 ////////////////////////////////////////////////////
 // PositionError
 ////////////////////////////////////////////////////
-DOMCI_DATA(GeoPositionError, PositionError)
 
 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PositionError)
   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
diff --git a/dom/tests/mochitest/general/test_interfaces.html b/dom/tests/mochitest/general/test_interfaces.html
index d12dae39017..69fc3400f2e 100644
--- a/dom/tests/mochitest/general/test_interfaces.html
+++ b/dom/tests/mochitest/general/test_interfaces.html
@@ -119,7 +119,6 @@ var interfaceNamesInGlobalScope =
     "GamepadAxisMoveEvent",
     "GamepadButtonEvent",
     "GamepadEvent",
-    "GeoPositionError",
     "HashChangeEvent",
     "History",
     "HTMLAnchorElement",
diff --git a/js/xpconnect/tests/mochitest/test_bug790732.html b/js/xpconnect/tests/mochitest/test_bug790732.html
index a830165baf3..c918f525a80 100644
--- a/js/xpconnect/tests/mochitest/test_bug790732.html
+++ b/js/xpconnect/tests/mochitest/test_bug790732.html
@@ -36,7 +36,6 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=790732
   is(Ci.nsIDOMMutationEvent, MutationEvent);
   is(Ci.nsIDOMSimpleGestureEvent, SimpleGestureEvent);
   is(Ci.nsIDOMUIEvent, UIEvent);
-  is(Ci.nsIDOMGeoPositionError, GeoPositionError);
   is(Ci.nsIDOMHTMLMediaElement, HTMLMediaElement);
   is(Ci.nsIDOMMediaError, MediaError);
   is(Ci.nsIDOMLoadStatus, LoadStatus);