diff --git a/frontend/www/scripts/exercise.js b/frontend/www/scripts/exercise.js
index 97afac7cf3271bd31c5b7e327dc32d096cee4442..7671d258a6282fe41a4b32d82e9fd0fb7adbcbcc 100644
--- a/frontend/www/scripts/exercise.js
+++ b/frontend/www/scripts/exercise.js
@@ -4,15 +4,23 @@ let deleteButton;
 let editButton;
 let oldFormData;
 
-const name = "name";
-const description = "description";
-const duration = "duration";
-const calories = "calories";
-const muscleGroup = "muscleGroup";
-const unit = "unit";
+const NAME = "name";
+const DESCRIPTION = "description";
+const DURATION = "duration";
+const CALORIES = "calories";
+const MUSCLE_GROUP = "muscleGroup";
+const UNIT = "unit";
 
 const validTypes = ["Legs", "Chest", "Back", "Arms", "Abdomen", "Shoulders"];
 
+const deleteFormData = () => {
+    oldFormData.delete(NAME);
+    oldFormData.delete(DESCRIPTION);
+    oldFormData.delete(DURATION);
+    oldFormData.delete(CALORIES);
+    oldFormData.delete(MUSCLE_GROUP);
+    oldFormData.delete(UNIT);
+}
 
 function handleCancelButtonDuringEdit() {
     setReadOnly(true, "#form-exercise");
@@ -25,19 +33,14 @@ function handleCancelButtonDuringEdit() {
     cancelButton.removeEventListener("click", handleCancelButtonDuringEdit);
 
     const form = document.querySelector("#form-exercise");
-    if (oldFormData.has(name)) form.name.value = oldFormData.get(name);
-    if (oldFormData.has(description)) form.description.value = oldFormData.get(description);
-    if (oldFormData.has(duration)) form.duration.value = oldFormData.get(duration);
-    if (oldFormData.has(calories)) form.calories.value = oldFormData.get(calories);
-    if (oldFormData.has(muscleGroup)) form.muscleGroup.value = oldFormData.get(muscleGroup);
-    if (oldFormData.has(unit)) form.unit.value = oldFormData.get(unit);
-
-    oldFormData.delete(name);
-    oldFormData.delete(description);
-    oldFormData.delete(duration);
-    oldFormData.delete(calories);
-    oldFormData.delete(muscleGroup);
-    oldFormData.delete(unit);
+    if (oldFormData.has(NAME)) form.name.value = oldFormData.get(NAME);
+    if (oldFormData.has(DESCRIPTION)) form.description.value = oldFormData.get(DESCRIPTION);
+    if (oldFormData.has(DURATION)) form.duration.value = oldFormData.get(DURATION);
+    if (oldFormData.has(CALORIES)) form.calories.value = oldFormData.get(CALORIES);
+    if (oldFormData.has(MUSCLE_GROUP)) form.muscleGroup.value = oldFormData.get(MUSCLE_GROUP);
+    if (oldFormData.has(UNIT)) form.unit.value = oldFormData.get(UNIT);
+
+    deleteFormData();
 
 }
 
@@ -49,12 +52,12 @@ async function createExercise() {
     document.querySelector("select").removeAttribute("disabled")
     const form = document.querySelector("#form-exercise");
     const formData = new FormData(form);
-    const body = {name: formData.get(name),
-        description: formData.get(description),
-        duration: formData.get(duration),
-        calories: formData.get(calories),
-        muscleGroup: formData.get(muscleGroup),
-        unit: formData.get(unit)};
+    const body = {name: formData.get(NAME),
+        description: formData.get(DESCRIPTION),
+        duration: formData.get(DURATION),
+        calories: formData.get(CALORIES),
+        muscleGroup: formData.get(MUSCLE_GROUP),
+        unit: formData.get(UNIT)};
 
     const response = await sendRequest("POST", `${HOST}/api/exercises/`, body);
 
@@ -130,12 +133,12 @@ async function updateExercise(id) {
     const muscleGroupSelector = document.querySelector("select")
     muscleGroupSelector.removeAttribute("disabled")
 
-    const body = {name: formData.get(name),
-        description: formData.get(description),
-        duration: formData.get(duration),
-        calories: formData.get(calories),
-        muscleGroup: getMuscleGroupType(formData.get("muscleGroup")),
-        unit: formData.get("unit")};
+    const body = {name: formData.get(NAME),
+        description: formData.get(DESCRIPTION),
+        duration: formData.get(DURATION),
+        calories: formData.get(CALORIES),
+        muscleGroup: getMuscleGroupType(formData.get(MUSCLE_GROUP)),
+        unit: formData.get(UNIT)};
     const response = await sendRequest("PUT", `${HOST}/api/exercises/${id}/`, body);
 
     if (!response.ok) {
@@ -155,12 +158,7 @@ async function updateExercise(id) {
 
     cancelButton.removeEventListener("click", handleCancelButtonDuringEdit);
 
-    oldFormData.delete(name);
-    oldFormData.delete(description);
-    oldFormData.delete(duration);
-    oldFormData.delete(calories);
-    oldFormData.delete(muscleGroup);
-    oldFormData.delete(unit);
+    deleteFormData();
 }
 
 window.addEventListener("DOMContentLoaded", async () => {