diff --git a/mobile/src/com/cradle/iitc_mobile/IITC_FileManager.java b/mobile/src/com/cradle/iitc_mobile/IITC_FileManager.java
index 6fceb214..f1707f07 100644
--- a/mobile/src/com/cradle/iitc_mobile/IITC_FileManager.java
+++ b/mobile/src/com/cradle/iitc_mobile/IITC_FileManager.java
@@ -253,6 +253,8 @@ public class IITC_FileManager {
 
         @Override
         public void onActivityResult(int resultCode, Intent data) {
+            mIitc.deleteResponseHandler(this); // to enable garbage collection
+
             try {
                 if (resultCode == Activity.RESULT_OK && data != null) {
                     Uri uri = data.getData();
@@ -270,8 +272,8 @@ public class IITC_FileManager {
                     {
                         encoder.write(c);
                     }
+
                     encoder.close();
-                    
                     mStreamOut.write("');".getBytes());
                 }
 
diff --git a/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java b/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
index a64a0087..218efb73 100644
--- a/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
+++ b/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
@@ -582,6 +582,14 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
         startActivityForResult(launch, RESULT_FIRST_USER + index);
     }
 
+    public void deleteResponseHandler(ResponseHandler handler) {
+        int index = mResponseHandlers.indexOf(handler);
+        if (index != -1) {
+            // set value to null to enable garbage collection, but don't remove it to keep indexes
+            mResponseHandlers.set(index, null);
+        }
+    }
+
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         int index = requestCode - RESULT_FIRST_USER;