diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoosterUtils.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoosterUtils.kt
index d41c6a0..3247335 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoosterUtils.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoosterUtils.kt
@@ -5,12 +5,12 @@ package com.willfp.boosters
 import com.willfp.boosters.boosters.ActivatedBooster
 import com.willfp.boosters.boosters.Booster
 import com.willfp.boosters.boosters.Boosters
+import com.willfp.eco.core.data.ServerProfile
 import com.willfp.eco.core.data.profile
 import org.bukkit.Bukkit
 import org.bukkit.OfflinePlayer
 import org.bukkit.Sound
 import org.bukkit.entity.Player
-import java.util.*
 
 private val plugin = BoostersPlugin.instance
 
@@ -53,12 +53,10 @@ fun Player.activateBooster(booster: Booster): Boolean {
         Bukkit.broadcastMessage(activationMessage)
     }
 
-    plugin.scheduler.runLater(booster.duration.toLong()) {
-        for (expiryMessage in booster.expiryMessages) {
-            Bukkit.broadcastMessage(expiryMessage)
-        }
-        plugin.activeBooster = null
-    }
+    ServerProfile.load().write(
+        plugin.expiryTimeKey,
+        (booster.duration.toDouble() * 50) + System.currentTimeMillis()
+    )
 
     plugin.activeBooster = ActivatedBooster(booster, this.uniqueId)
 
diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoostersPlugin.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoostersPlugin.kt
index bd780ad..f2f09aa 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoostersPlugin.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoostersPlugin.kt
@@ -5,6 +5,7 @@ import com.willfp.boosters.boosters.Boosters
 import com.willfp.boosters.commands.CommandBoosters
 import com.willfp.boosters.config.BoostersYml
 import com.willfp.eco.core.command.impl.PluginCommand
+import com.willfp.eco.core.data.ServerProfile
 import com.willfp.eco.core.data.keys.PersistentDataKey
 import com.willfp.eco.core.data.keys.PersistentDataKeyType
 import com.willfp.eco.core.data.profile
@@ -20,53 +21,45 @@ import java.util.*
 
 class BoostersPlugin : LibReforgePlugin(2036, 14269, "&e") {
     val boostersYml = BoostersYml(this)
-    private var shouldUseSQL = false
-
-    private var active: ActivatedBooster? = null
 
     private val boosterKey = PersistentDataKey(
         this.namespacedKeyFactory.create("active_booster"),
         PersistentDataKeyType.STRING,
         ""
-    )
+    ).server()
+
+    val expiryTimeKey = PersistentDataKey(
+        this.namespacedKeyFactory.create("expiry_time"),
+        PersistentDataKeyType.DOUBLE,
+        0.0
+    ).server()
 
     var activeBooster: ActivatedBooster?
         get() {
-            if (shouldUseSQL) {
-                val key = Bukkit.getServer().profile.read(boosterKey)
+            val key = Bukkit.getServer().profile.read(boosterKey)
 
-                return if (key.isEmpty()) {
-                    null
-                } else {
-                    val booster = key.split("::")
-                    val id = booster[0]
-                    val uuid = UUID.fromString(booster[1])
-                    ActivatedBooster(
-                        Boosters.getByID(id) ?: return null,
-                        uuid
-                    )
-                }
+            return if (key.isEmpty()) {
+                null
             } else {
-                return active
+                val booster = key.split("::")
+                val id = booster[0]
+                val uuid = UUID.fromString(booster[1])
+                ActivatedBooster(
+                    Boosters.getByID(id) ?: return null,
+                    uuid
+                )
             }
         }
         set(value) {
-            if (shouldUseSQL) {
-                if (value == null) {
-                    Bukkit.getServer().profile.write(boosterKey, "")
-                } else {
-                    Bukkit.getServer().profile.write(boosterKey, "${value.booster.id}::${value.player}")
-                }
+            if (value == null) {
+                Bukkit.getServer().profile.write(boosterKey, "")
             } else {
-                active = value
+                Bukkit.getServer().profile.write(boosterKey, "${value.booster.id}::${value.player}")
             }
         }
 
 
     override fun handleEnableAdditional() {
-        shouldUseSQL = configYml.getBool("use-sql")
-        activeBooster = null
-
         PlaceholderManager.registerPlaceholder(
             PlaceholderEntry(
                 this,
@@ -124,6 +117,19 @@ class BoostersPlugin : LibReforgePlugin(2036, 14269, "&e") {
         this.registerHolderProvider { ListUtils.toSingletonList(activeBooster?.booster) }
     }
 
+    override fun handleReloadAdditional() {
+        this.scheduler.runTimer(1, 1) {
+            val booster = activeBooster ?: return@runTimer
+            val endTime = ServerProfile.load().read(expiryTimeKey)
+            if (endTime <= System.currentTimeMillis()) {
+                for (expiryMessage in booster.booster.expiryMessages) {
+                    Bukkit.broadcastMessage(expiryMessage)
+                }
+                activeBooster = null
+            }
+        }
+    }
+
     override fun loadListeners(): List<Listener> {
         return listOf(
 
diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Booster.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Booster.kt
index e219132..a02c37f 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Booster.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Booster.kt
@@ -18,32 +18,17 @@ import org.bukkit.entity.Player
 import org.bukkit.inventory.ItemStack
 import java.util.*
 
-/*
-Stored externally to fix the weirdest bug of all time, that I don't understand.
-I think it comes from reload behaviour, where the identities of the keys aren't the same,
-even though the keys are - genuinely not a clue, and this took me twice as long to fix as it
-took me to write the entire rest of the plugin.
- */
-private val dataKeyTracker = mutableMapOf<String, PersistentDataKey<Int>>()
-
 class Booster(
     private val plugin: BoostersPlugin,
     val config: Config,
 ) : Holder {
     val id = config.getString("id")
 
-    val dataKey: PersistentDataKey<Int>
-        get() {
-            if (!dataKeyTracker.containsKey(id)) {
-                dataKeyTracker[id] = PersistentDataKey(
-                    plugin.namespacedKeyFactory.create(id),
-                    PersistentDataKeyType.INT,
-                    0
-                )
-            }
-
-            return dataKeyTracker[id]!!
-        }
+    val dataKey: PersistentDataKey<Int> = PersistentDataKey(
+        plugin.namespacedKeyFactory.create(id),
+        PersistentDataKeyType.INT,
+        0
+    ).player()
 
     val name = config.getFormattedString("name")
 
diff --git a/eco-core/core-plugin/src/main/resources/config.yml b/eco-core/core-plugin/src/main/resources/config.yml
index 3af98ce..88c72a3 100644
--- a/eco-core/core-plugin/src/main/resources/config.yml
+++ b/eco-core/core-plugin/src/main/resources/config.yml
@@ -3,11 +3,6 @@
 # by Auxilor
 #
 
-# Will synchronize active booster over all servers in a network.
-# SQL Settings are in /plugins/eco/config.yml
-# If false, boosters will be server-specific.
-use-sql: false
-
 gui:
   title: Boosters
   rows: 3