diff --git a/mindplot/src/main/javascript/libraries/bootstrap/BootstrapDialog.js b/mindplot/src/main/javascript/libraries/bootstrap/BootstrapDialog.js
index 35546283..4b9b1522 100644
--- a/mindplot/src/main/javascript/libraries/bootstrap/BootstrapDialog.js
+++ b/mindplot/src/main/javascript/libraries/bootstrap/BootstrapDialog.js
@@ -79,15 +79,12 @@ var BootstrapDialog = new Class({
     },
 
     onAcceptClick: function(event) {
-        //this method should be abstract
+        throw "Unsupported operation";
     },
 
-    onDialogShown: function() {
-
-    },
+    onDialogShown: function() {},
     onRemoveClick: function(event) {
-        event.data.model.setValue(null);
-        event.data.dialog.close();
+        throw "Unsupported operation";
     },
 
     show: function () {
@@ -95,8 +92,9 @@ var BootstrapDialog = new Class({
     },
 
     setContent: function(content) {
-        // faltaria remover body previo
-        this._native.find('.modal-body').append(content);
+        var modalBody = this._native.find('.modal-body');
+        modalBody.empty();
+        modalBody.append(content);
     },
 
     css: function(options){
@@ -114,9 +112,5 @@ var BootstrapDialog = new Class({
 
     cleanError: function(){
         this._native.find('.alert-danger').hide();
-    },
-
-    showRemoveButton: function(){
-      this.removeButton.show();
     }
 });
diff --git a/mindplot/src/main/javascript/widget/LinkEditor.js b/mindplot/src/main/javascript/widget/LinkEditor.js
index dd9c7226..8bc9d48d 100644
--- a/mindplot/src/main/javascript/widget/LinkEditor.js
+++ b/mindplot/src/main/javascript/widget/LinkEditor.js
@@ -26,7 +26,7 @@ mindplot.widget.LinkEditor = new Class({
             cancelButton: true,
             closeButton: true,
             acceptButton: true,
-            removeButton: true,
+            removeButton: typeof model.getValue() != 'undefined',
             errorMessage: true,
             onRemoveClickData: {model: this._model}
         });
@@ -97,10 +97,6 @@ mindplot.widget.LinkEditor = new Class({
             }
         );
 
-        if (typeof model.getValue() != 'undefined'){
-            this.showRemoveButton();
-        }
-
         result.append(this.form);
         return result;
     },
diff --git a/mindplot/src/main/javascript/widget/NoteEditor.js b/mindplot/src/main/javascript/widget/NoteEditor.js
index e500e8c4..0a10b65e 100644
--- a/mindplot/src/main/javascript/widget/NoteEditor.js
+++ b/mindplot/src/main/javascript/widget/NoteEditor.js
@@ -26,7 +26,7 @@ mindplot.widget.NoteEditor = new Class({
             cancelButton: true,
             closeButton: true,
             acceptButton: true,
-            removeButton: true,
+            removeButton: typeof model.getValue() != 'undefined',
             onRemoveClickData: {model: this._model}
         });
         this.css({margin:"150px auto"});
@@ -72,9 +72,6 @@ mindplot.widget.NoteEditor = new Class({
             });
         });
 
-        if (typeof model.getValue() != 'undefined'){
-            this.showRemoveButton();
-        }
         result.append(form);
         return result;
     },