diff --git a/frontend/src/queries/students.ts b/frontend/src/queries/students.ts
index 9caa385b..aaf05544 100644
--- a/frontend/src/queries/students.ts
+++ b/frontend/src/queries/students.ts
@@ -27,7 +27,7 @@ export function useStudentQuery(username: MaybeRefOrGetter<string | undefined>)
     return useQuery({
         queryKey: computed(() => STUDENT_QUERY_KEY(toValue(username)!)),
         queryFn: () => studentController.getByUsername(toValue(username)!),
-        enabled: () => !!toValue(username),
+        enabled: () => Boolean(toValue(username)),
     });
 }
 
@@ -35,7 +35,7 @@ export function useStudentClassesQuery(username: MaybeRefOrGetter<string | undef
     return useQuery({
         queryKey: computed(() => STUDENT_CLASSES_QUERY_KEY(toValue(username)!, toValue(full))),
         queryFn: () => studentController.getClasses(toValue(username)!, toValue(full)),
-        enabled: () => !!toValue(username),
+        enabled: () => Boolean(toValue(username)),
     });
 }
 
@@ -43,7 +43,7 @@ export function useStudentAssignmentsQuery(username: MaybeRefOrGetter<string | u
     return useQuery({
         queryKey: computed(() => STUDENT_ASSIGNMENTS_QUERY_KEY(toValue(username)!, toValue(full))),
         queryFn: () => studentController.getAssignments(toValue(username)!, toValue(full)),
-        enabled: () => !!toValue(username),
+        enabled: () => Boolean(toValue(username)),
     });
 }
 
@@ -51,7 +51,7 @@ export function useStudentGroupsQuery(username: MaybeRefOrGetter<string | undefi
     return useQuery({
         queryKey: computed(() => STUDENT_GROUPS_QUERY_KEY(toValue(username)!, toValue(full))),
         queryFn: () => studentController.getGroups(toValue(username)!, toValue(full)),
-        enabled: () => !!toValue(username),
+        enabled: () => Boolean(toValue(username)),
     });
 }
 
@@ -59,7 +59,7 @@ export function useStudentSubmissionsQuery(username: MaybeRefOrGetter<string | u
     return useQuery({
         queryKey: computed(() => STUDENT_SUBMISSIONS_QUERY_KEY(toValue(username)!)),
         queryFn: () => studentController.getSubmissions(toValue(username)!),
-        enabled: () => !!toValue(username),
+        enabled: () => Boolean(toValue(username)),
     });
 }
 
@@ -67,7 +67,7 @@ export function useStudentQuestionsQuery(username: MaybeRefOrGetter<string | und
     return useQuery({
         queryKey: computed(() => STUDENT_QUESTIONS_QUERY_KEY(toValue(username)!, toValue(full))),
         queryFn: () => studentController.getQuestions(toValue(username)!, toValue(full)),
-        enabled: () => !!toValue(username),
+        enabled: () => Boolean(toValue(username)),
     });
 }
 
@@ -86,8 +86,8 @@ export function useCreateStudentMutation() {
 }
 
 // TODO
-// setquerydata
-// previous students
+// Setquerydata
+// Previous students
 export function useDeleteStudentMutation() {
     const queryClient = useQueryClient();
 
@@ -106,7 +106,7 @@ export function useStudentJoinRequestsQuery(username: MaybeRefOrGetter<string |
     return useQuery({
         queryKey: computed(() => STUDENT_JOIN_REQUESTS_QUERY_KEY(toValue(username)!)),
         queryFn: () => studentController.getJoinRequests(toValue(username)!),
-        enabled: () => !!toValue(username),
+        enabled: () => Boolean(toValue(username)),
     });
 }
 
diff --git a/frontend/src/queries/teachers.ts b/frontend/src/queries/teachers.ts
index 852d971e..2df0eeec 100644
--- a/frontend/src/queries/teachers.ts
+++ b/frontend/src/queries/teachers.ts
@@ -24,7 +24,7 @@ export function useTeacherQuery(username: MaybeRefOrGetter<string | undefined>)
     return useQuery({
         queryKey: computed(() => TEACHER_QUERY_KEY(toValue(username)!)),
         queryFn: () => teacherController.getByUsername(toValue(username)!),
-        enabled: () => !!toValue(username),
+        enabled: () => Boolean(toValue(username)),
     });
 }
 
@@ -32,7 +32,7 @@ export function useTeacherClassesQuery(username: MaybeRefOrGetter<string | undef
     return useQuery({
         queryKey: computed(() => TEACHER_CLASSES_QUERY_KEY(toValue(username)!, toValue(full))),
         queryFn: () => teacherController.getClasses(toValue(username)!, toValue(full)),
-        enabled: () => !!toValue(username),
+        enabled: () => Boolean(toValue(username)),
     });
 }
 
@@ -40,7 +40,7 @@ export function useTeacherStudentsQuery(username: MaybeRefOrGetter<string | unde
     return useQuery({
         queryKey: computed(() => TEACHER_STUDENTS_QUERY_KEY(toValue(username)!, toValue(full))),
         queryFn: () => teacherController.getStudents(toValue(username)!, toValue(full)),
-        enabled: () => !!toValue(username),
+        enabled: () => Boolean(toValue(username)),
     });
 }
 
@@ -48,7 +48,7 @@ export function useTeacherQuestionsQuery(username: MaybeRefOrGetter<string | und
     return useQuery({
         queryKey: computed(() => TEACHER_QUESTIONS_QUERY_KEY(toValue(username)!, toValue(full))),
         queryFn: () => teacherController.getQuestions(toValue(username)!, toValue(full)),
-        enabled: () => !!toValue(username),
+        enabled: () => Boolean(toValue(username)),
     });
 }
 
@@ -56,7 +56,7 @@ export function useTeacherJoinRequestsQuery(username: MaybeRefOrGetter<string |
     return useQuery({
         queryKey: computed(() => JOIN_REQUESTS_QUERY_KEY(toValue(username)!, toValue(classId)!)),
         queryFn: () => teacherController.getStudentJoinRequests(toValue(username)!, toValue(classId)!),
-        enabled: () => !!toValue(username) && !!toValue(classId),
+        enabled: () => Boolean(toValue(username)) && Boolean(toValue(classId)),
     });
 }