diff --git a/build.properties b/build.properties
index 987324a2..e1d539f0 100644
--- a/build.properties
+++ b/build.properties
@@ -6,7 +6,7 @@
 PROJECT: openseadragon
 BUILD_MAJOR: 0
 BUILD_MINOR: 9
-BUILD_ID: 10
+BUILD_ID: 11
 BUILD: ${PROJECT}.${BUILD_MAJOR}.${BUILD_MINOR}.${BUILD_ID}
 VERSION: ${BUILD_MAJOR}.${BUILD_MINOR}.${BUILD_ID}
 
diff --git a/openseadragon.js b/openseadragon.js
index 27e2e680..bdc44373 100644
--- a/openseadragon.js
+++ b/openseadragon.js
@@ -1,5 +1,5 @@
 /**
- * @version  OpenSeadragon 0.9.10
+ * @version  OpenSeadragon 0.9.11
  *
  * @fileOverview 
  * <h2>
@@ -2822,13 +2822,6 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, {
         }, 2000);
 
         this._lastOpenEndTime = +new Date();
-
-        if ( this._lastOpenStartTime < viewer._lastOpenStartTime ) {
-            $.console.log( "Ignoring out-of-date open." );
-            this.raiseEvent( "ignore" );
-            return;
-        }
-
         this.canvas.innerHTML = "";
         this._prevContainerSize = $.getElementSize( this.container );
 
diff --git a/src/viewer.js b/src/viewer.js
index c347c55d..f52bcf38 100644
--- a/src/viewer.js
+++ b/src/viewer.js
@@ -412,13 +412,6 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, {
         }, 2000);
 
         this._lastOpenEndTime = +new Date();
-
-        if ( this._lastOpenStartTime < viewer._lastOpenStartTime ) {
-            $.console.log( "Ignoring out-of-date open." );
-            this.raiseEvent( "ignore" );
-            return;
-        }
-
         this.canvas.innerHTML = "";
         this._prevContainerSize = $.getElementSize( this.container );