diff --git a/client/client/src/address-edit/address-edit.js b/client/client/src/address-edit/address-edit.js
index 7cfc8bd06..3046b2733 100644
--- a/client/client/src/address-edit/address-edit.js
+++ b/client/client/src/address-edit/address-edit.js
@@ -61,7 +61,7 @@ export default class Controller {
     }
 
     _observationsEquals(ob1, ob2) {
-        return ob1.observationTypeFk === ob2.observationTypeFk && ob1.description === ob2.description;
+        return ob1.id === ob2.id && ob1.observationTypeFk === ob2.observationTypeFk && ob1.description === ob2.description;
     }
 
     submit() {
diff --git a/client/client/src/address-edit/address-edit.spec.js b/client/client/src/address-edit/address-edit.spec.js
index 18fff508f..8f14a2ec9 100644
--- a/client/client/src/address-edit/address-edit.spec.js
+++ b/client/client/src/address-edit/address-edit.spec.js
@@ -20,7 +20,46 @@ describe('Client', () => {
         }));
 
         it('should define and set address property', () => {
-            expect(controller.address.id).toBe(1);
+            expect(controller.address.id).toEqual(1);
+        });
+
+        describe('removeObservation(index)', () => {
+            it('should remove an observation that occupies the index given and restore showAddIcon properties', () => {
+                let index = 2;
+                controller.observations = [
+                    {id: 1, description: 'Spiderman rocks', showAddIcon: false},
+                    {id: 2, description: 'Batman sucks', showAddIcon: false},
+                    {id: 3, description: 'Ironman rules', showAddIcon: true}
+                ];
+
+                spyOn(controller, '_setIconAdd').and.callThrough();
+
+                controller.removeObservation(index);
+
+                expect(controller._setIconAdd).toHaveBeenCalledWith();
+                expect(controller.observations.length).toEqual(2);
+                expect(controller.observations[0].showAddIcon).toBeFalsy();
+                expect(controller.observations[1].showAddIcon).toBeTruthy();
+                expect(controller.observations[index]).toBe(undefined);
+            });
+        });
+
+        describe('_observationsEquals', () => {
+            it('should return true if two observations are equals independent of control attributes', () => {
+                let ob1 = {id: 1, observationTypeFk: 1, description: 'Spiderman rocks', showAddIcon: true};
+                let ob2 = {id: 1, observationTypeFk: 1, description: 'Spiderman rocks', showAddIcon: false};
+                let equals = controller._observationsEquals(ob2, ob1);
+
+                expect(equals).toBeTruthy();
+            });
+
+            it('should return false if two observations are not equals independent of control attributes', () => {
+                let ob1 = {id: 1, observationTypeFk: 1, description: 'Spiderman rocks', showAddIcon: true};
+                let ob2 = {id: 1, observationTypeFk: 1, description: 'Spiderman sucks', showAddIcon: true};
+                let equals = controller._observationsEquals(ob2, ob1);
+
+                expect(equals).toBeFalsy();
+            });
         });
 
         describe('$onInit()', () => {