diff --git a/src/controllers/custom/setBoosterController.ts b/src/controllers/custom/setBoosterController.ts
index f19a3093..ceb45e30 100644
--- a/src/controllers/custom/setBoosterController.ts
+++ b/src/controllers/custom/setBoosterController.ts
@@ -23,13 +23,21 @@ export const setBoosterController: RequestHandler = async (req, res) => {
         res.status(400).send("Invalid ItemType provided.");
         return;
     }
-    // Remove if ExpiryDate lower than current time?
+    const now = Math.floor(Date.now() / 1000);
     for (const { ItemType, ExpiryDate } of requests) {
-        const boosterItem = boosters.find(item => item.ItemType === ItemType);
-        if (boosterItem) {
-            boosterItem.ExpiryDate = ExpiryDate;
+        if (ExpiryDate > now) {
+            // remove expired boosters
+            const index = boosters.findIndex(item => item.ItemType === ItemType);
+            if (index !== -1) {
+                boosters.splice(index, 1);
+            }
         } else {
-            boosters.push({ ItemType, ExpiryDate });
+            const boosterItem = boosters.find(item => item.ItemType === ItemType);
+            if (boosterItem) {
+                boosterItem.ExpiryDate = ExpiryDate;
+            } else {
+                boosters.push({ ItemType, ExpiryDate });
+            }
         }
     }
     await inventory.save();