diff --git a/src/components/TabulatorComponent.vue b/src/components/TabulatorComponent.vue
index 5e3bb2c..7b36f81 100644
--- a/src/components/TabulatorComponent.vue
+++ b/src/components/TabulatorComponent.vue
@@ -55,7 +55,7 @@ export default class TabulatorComponent extends Vue {
   @Watch('options', { deep: true })
   private updateOptions() {
     this.resolvedOptions = {
-      ...mergeWith(this.eventOptions, this.options, merge),
+      ...mergeWith({}, this.eventOptions, this.options, merge),
       data: this.tableData,
     };
 
diff --git a/tests/unit/TabulatorComponent-IntegrationModule.spec.ts b/tests/unit/TabulatorComponent-IntegrationModule.spec.ts
index d59b6ab..946826a 100644
--- a/tests/unit/TabulatorComponent-IntegrationModule.spec.ts
+++ b/tests/unit/TabulatorComponent-IntegrationModule.spec.ts
@@ -1,6 +1,7 @@
 import { shallowMount, mount } from '@vue/test-utils';
 import TabulatorComponent from '@/components/TabulatorComponent.vue';
 import { UpdateStrategy } from '@/types';
+import Vue from 'vue';
 
 const mockSetData = jest.fn();
 const mockReplaceData = jest.fn();
@@ -35,7 +36,7 @@ describe('TabulatorComponent.vue | Integration Module', () => {
   });
 
   describe('Watchers', () => {
-    test('update the v-model should use UpdateStrategy.DATA for default', () => {
+    test('update the v-model should use UpdateStrategy.DATA for default', async () => {
       const wrapper = mount(TabulatorComponent, {
         propsData: {
           options,
@@ -47,10 +48,11 @@ describe('TabulatorComponent.vue | Integration Module', () => {
         tableData: [],
       });
 
+      await Vue.nextTick();
       expect(mockSetData).toHaveBeenCalled();
     });
 
-    test('update the v-model should use UpdateStrategy.REPLACE', () => {
+    test('update the v-model should use UpdateStrategy.REPLACE', async () => {
       const wrapper = mount(TabulatorComponent, {
         propsData: {
           tableData: [{ name: 'Pi' }],
@@ -66,11 +68,12 @@ describe('TabulatorComponent.vue | Integration Module', () => {
         tableData: [],
       });
 
+      await Vue.nextTick();
       expect(mockSetData).not.toHaveBeenCalled();
       expect(mockReplaceData).toHaveBeenCalled();
     });
 
-    test('update de v-model should use UpdateStrategy.UPDATE', () => {
+    test('update de v-model should use UpdateStrategy.UPDATE', async () => {
       const wrapper = mount(TabulatorComponent, {
         propsData: {
           tableData: [{ id: 1, name: 'Someone to update' }],
@@ -85,6 +88,7 @@ describe('TabulatorComponent.vue | Integration Module', () => {
         tableData: [{ id: 1, name: 'Someone updated' }],
       });
 
+      await Vue.nextTick();
       expect(mockSetData).not.toHaveBeenCalled();
       expect(mockReplaceData).not.toHaveBeenCalled();
       expect(mockUpdateData).toHaveBeenCalled();
diff --git a/tests/unit/TabulatorComponent.spec.ts b/tests/unit/TabulatorComponent.spec.ts
index 0fd73fb..ad38b7a 100644
--- a/tests/unit/TabulatorComponent.spec.ts
+++ b/tests/unit/TabulatorComponent.spec.ts
@@ -1,5 +1,6 @@
 import { shallowMount, mount } from '@vue/test-utils';
 import TabulatorComponent from '@/components/TabulatorComponent.vue';
+import Vue from 'vue';
 import { getInstance } from './helpers';
 
 describe('TabulatorComponent.vue', () => {
@@ -29,7 +30,7 @@ describe('TabulatorComponent.vue', () => {
     });
   });
   describe('Watchers', () => {
-    test('update the config should recreate the table', () => {
+    test('update the config should recreate the table', async () => {
       const options : Tabulator.Options = {
         columns: [
           {
@@ -60,11 +61,56 @@ describe('TabulatorComponent.vue', () => {
           ],
         },
       });
+      await Vue.nextTick();
       const currentInstance = getInstance(wrapper);
 
       expect(oldInstance).not.toBe(currentInstance);
     });
 
+    test('update the config should remove the old column the table', async () => {
+      const columns : Tabulator.ColumnDefinition[] = [
+        {
+          title: 'Name',
+          field: 'name',
+          sorter: 'string',
+          width: 200,
+          editor: true,
+        },
+        {
+          title: 'Age',
+          field: 'age',
+          sorter: 'string',
+          width: 200,
+          editor: true,
+        },
+      ];
+      const options : Tabulator.Options = {
+        columns,
+      };
+
+      const wrapper = mount(TabulatorComponent, {
+        propsData: {
+          options,
+        },
+      });
+
+
+      const oldInstance = getInstance(wrapper);
+      wrapper.setProps({
+        options: {
+          columns: [columns[0]],
+        },
+      });
+      await Vue.nextTick();
+      const currentInstance = getInstance(wrapper);
+
+
+      expect(oldInstance.getColumns()).not.toBe(currentInstance.getColumns());
+
+      expect(currentInstance.getColumns().length).toBe(1);
+      expect(currentInstance.getColumns()[0].getDefinition().title).toBe('Name');
+    });
+
     test('update the v-model not should recreate the table', () => {
       const options : Tabulator.Options = {
         columns: [
diff --git a/tests/unit/__snapshots__/TabulatorComponent.spec.ts.snap b/tests/unit/__snapshots__/TabulatorComponent.spec.ts.snap
index 24caf59..7e9e157 100644
--- a/tests/unit/__snapshots__/TabulatorComponent.spec.ts.snap
+++ b/tests/unit/__snapshots__/TabulatorComponent.spec.ts.snap
@@ -15,7 +15,7 @@ exports[`TabulatorComponent.vue Init table renders correct based in the options
     </div>
     <div class="tabulator-frozen-rows-holder"></div>
   </div>
-  <div class="tabulator-tableHolder" tabindex="0">
+  <div class="tabulator-tableHolder" tabindex="0" style="height: 0px;">
     <div class="tabulator-table"></div>
   </div>
 </div>