diff --git a/frontend/src/Components/TimePerActivity.tsx b/frontend/src/Components/TimePerActivity.tsx
index 3dc1a6b..e0bcddf 100644
--- a/frontend/src/Components/TimePerActivity.tsx
+++ b/frontend/src/Components/TimePerActivity.tsx
@@ -95,9 +95,7 @@ export default function TimePerRole(): JSX.Element {
                     type="string"
                     className="border-2 border-black rounded-md text-center w-1/2"
                     value={developmentTime}
-                    onKeyDown={(event) => {
-                      event.preventDefault();
-                    }}
+                    readOnly
                   />
                 </td>
               </tr>
@@ -108,9 +106,7 @@ export default function TimePerRole(): JSX.Element {
                     type="string"
                     className="border-2 border-black rounded-md text-center w-1/2"
                     value={meetingTime}
-                    onKeyDown={(event) => {
-                      event.preventDefault();
-                    }}
+                    readOnly
                   />
                 </td>
               </tr>
@@ -121,9 +117,7 @@ export default function TimePerRole(): JSX.Element {
                     type="string"
                     className="border-2 border-black rounded-md text-center w-1/2"
                     value={adminTime}
-                    onKeyDown={(event) => {
-                      event.preventDefault();
-                    }}
+                    readOnly
                   />
                 </td>
               </tr>
@@ -134,9 +128,7 @@ export default function TimePerRole(): JSX.Element {
                     type="string"
                     className="border-2 border-black rounded-md text-center w-1/2"
                     value={ownWorkTime}
-                    onKeyDown={(event) => {
-                      event.preventDefault();
-                    }}
+                    readOnly
                   />
                 </td>
               </tr>
@@ -147,9 +139,7 @@ export default function TimePerRole(): JSX.Element {
                     type="string"
                     className="border-2 border-black rounded-md text-center w-1/2"
                     value={studyTime}
-                    onKeyDown={(event) => {
-                      event.preventDefault();
-                    }}
+                    readOnly
                   />
                 </td>
               </tr>
@@ -160,9 +150,7 @@ export default function TimePerRole(): JSX.Element {
                     type="string"
                     className="border-2 border-black rounded-md text-center w-1/2"
                     value={testingTime}
-                    onKeyDown={(event) => {
-                      event.preventDefault();
-                    }}
+                    readOnly
                   />
                 </td>
               </tr>