diff --git a/src/main/java/com/refinedmods/refinedstorage/setup/ClientSetup.java b/src/main/java/com/refinedmods/refinedstorage/setup/ClientSetup.java
index 961b2873b..30174fded 100644
--- a/src/main/java/com/refinedmods/refinedstorage/setup/ClientSetup.java
+++ b/src/main/java/com/refinedmods/refinedstorage/setup/ClientSetup.java
@@ -44,7 +44,7 @@ import net.minecraftforge.fml.event.lifecycle.FMLClientSetupEvent;
 import java.util.Arrays;
 import java.util.function.BiConsumer;
 
-public class ClientSetup {
+public final class ClientSetup {
     private static final ResourceLocation DISK_RESOURCE = new ResourceLocation(RS.ID + ":block/disks/disk");
     private static final ResourceLocation DISK_NEAR_CAPACITY_RESOURCE = new ResourceLocation(RS.ID + ":block/disks/disk_near_capacity");
     private static final ResourceLocation DISK_FULL_RESOURCE = new ResourceLocation(RS.ID + ":block/disks/disk_full");
@@ -69,6 +69,9 @@ public class ClientSetup {
         }
     }
 
+    private ClientSetup() {
+    }
+
     @SubscribeEvent
     public static void onClientSetup(FMLClientSetupEvent e) {
         MinecraftForge.EVENT_BUS.register(new KeyInputListener());
diff --git a/src/main/java/com/refinedmods/refinedstorage/setup/CommonSetup.java b/src/main/java/com/refinedmods/refinedstorage/setup/CommonSetup.java
index 8020dc9b0..e851e4ba7 100644
--- a/src/main/java/com/refinedmods/refinedstorage/setup/CommonSetup.java
+++ b/src/main/java/com/refinedmods/refinedstorage/setup/CommonSetup.java
@@ -57,7 +57,10 @@ import net.minecraftforge.event.RegistryEvent;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
 import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
 
-public class CommonSetup {
+public final class CommonSetup {
+    private CommonSetup() {
+    }
+
     @SubscribeEvent
     public static void onCommonSetup(FMLCommonSetupEvent e) {
         RS.NETWORK_HANDLER.register();