diff --git a/bundler/src/main/java/dev/openrs2/bundler/BundleCommand.kt b/bundler/src/main/java/dev/openrs2/bundler/BundleCommand.kt
index 5d7a74f8..2a85d945 100644
--- a/bundler/src/main/java/dev/openrs2/bundler/BundleCommand.kt
+++ b/bundler/src/main/java/dev/openrs2/bundler/BundleCommand.kt
@@ -8,7 +8,7 @@ fun main(args: Array<String>) = BundleCommand().main(args)
 
 class BundleCommand : CliktCommand(name = "bundle") {
     override fun run() {
-        val injector = Guice.createInjector(BundlerModule())
+        val injector = Guice.createInjector(BundlerModule)
         val bundler = injector.getInstance(Bundler::class.java)
         bundler.run(Paths.get("nonfree/lib"), Paths.get("nonfree/var/cache/bundle"), Paths.get("etc/loader.p12"))
     }
diff --git a/bundler/src/main/java/dev/openrs2/bundler/BundlerModule.kt b/bundler/src/main/java/dev/openrs2/bundler/BundlerModule.kt
index c08d9f51..ceee5b6f 100644
--- a/bundler/src/main/java/dev/openrs2/bundler/BundlerModule.kt
+++ b/bundler/src/main/java/dev/openrs2/bundler/BundlerModule.kt
@@ -3,8 +3,8 @@ package dev.openrs2.bundler
 import com.google.inject.AbstractModule
 import dev.openrs2.crypto.CryptoModule
 
-class BundlerModule : AbstractModule() {
+object BundlerModule : AbstractModule() {
     override fun configure() {
-        install(CryptoModule())
+        install(CryptoModule)
     }
 }
diff --git a/conf/src/main/java/dev/openrs2/conf/ConfigModule.kt b/conf/src/main/java/dev/openrs2/conf/ConfigModule.kt
index b1be1fbe..e68c7fc6 100644
--- a/conf/src/main/java/dev/openrs2/conf/ConfigModule.kt
+++ b/conf/src/main/java/dev/openrs2/conf/ConfigModule.kt
@@ -4,9 +4,9 @@ import com.google.inject.AbstractModule
 import com.google.inject.Scopes
 import dev.openrs2.yaml.YamlModule
 
-class ConfigModule : AbstractModule() {
+object ConfigModule : AbstractModule() {
     override fun configure() {
-        install(YamlModule())
+        install(YamlModule)
 
         bind(Config::class.java)
             .toProvider(ConfigProvider::class.java)
diff --git a/crypto/src/main/java/dev/openrs2/crypto/CryptoModule.kt b/crypto/src/main/java/dev/openrs2/crypto/CryptoModule.kt
index 2d904342..47cbce1a 100644
--- a/crypto/src/main/java/dev/openrs2/crypto/CryptoModule.kt
+++ b/crypto/src/main/java/dev/openrs2/crypto/CryptoModule.kt
@@ -4,7 +4,7 @@ import com.google.inject.AbstractModule
 import com.google.inject.Scopes
 import org.bouncycastle.crypto.params.RSAPrivateCrtKeyParameters
 
-class CryptoModule : AbstractModule() {
+object CryptoModule : AbstractModule() {
     override fun configure() {
         bind(RSAPrivateCrtKeyParameters::class.java)
             .toProvider(RsaKeyProvider::class.java)
diff --git a/deob-processor/src/main/java/dev/openrs2/deob/processor/NameMapProcessor.kt b/deob-processor/src/main/java/dev/openrs2/deob/processor/NameMapProcessor.kt
index 9e98a182..0003d9bd 100644
--- a/deob-processor/src/main/java/dev/openrs2/deob/processor/NameMapProcessor.kt
+++ b/deob-processor/src/main/java/dev/openrs2/deob/processor/NameMapProcessor.kt
@@ -46,7 +46,7 @@ class NameMapProcessor : AbstractProcessor() {
     private lateinit var localScanner: LocalVariableScanner
 
     init {
-        val injector = Guice.createInjector(YamlModule())
+        val injector = Guice.createInjector(YamlModule)
         mapper = injector.getInstance(ObjectMapper::class.java)
     }
 
diff --git a/game/src/main/java/dev/openrs2/game/GameCommand.kt b/game/src/main/java/dev/openrs2/game/GameCommand.kt
index 101e2a64..766dbc57 100644
--- a/game/src/main/java/dev/openrs2/game/GameCommand.kt
+++ b/game/src/main/java/dev/openrs2/game/GameCommand.kt
@@ -7,7 +7,7 @@ fun main(args: Array<String>) = GameCommand().main(args)
 
 class GameCommand : CliktCommand(name = "game") {
     override fun run() {
-        val injector = Guice.createInjector(GameModule())
+        val injector = Guice.createInjector(GameModule)
         val server = injector.getInstance(GameServer::class.java)
         server.run()
     }
diff --git a/game/src/main/java/dev/openrs2/game/GameModule.kt b/game/src/main/java/dev/openrs2/game/GameModule.kt
index bd1324ce..1dac9697 100644
--- a/game/src/main/java/dev/openrs2/game/GameModule.kt
+++ b/game/src/main/java/dev/openrs2/game/GameModule.kt
@@ -2,7 +2,7 @@ package dev.openrs2.game
 
 import com.google.inject.AbstractModule
 
-class GameModule : AbstractModule() {
+object GameModule : AbstractModule() {
     override fun configure() {
         // empty
     }
diff --git a/yaml/src/main/java/dev/openrs2/yaml/YamlModule.kt b/yaml/src/main/java/dev/openrs2/yaml/YamlModule.kt
index 2623ad3c..f534687d 100644
--- a/yaml/src/main/java/dev/openrs2/yaml/YamlModule.kt
+++ b/yaml/src/main/java/dev/openrs2/yaml/YamlModule.kt
@@ -6,7 +6,7 @@ import com.google.inject.AbstractModule
 import com.google.inject.Scopes
 import com.google.inject.multibindings.Multibinder
 
-class YamlModule : AbstractModule() {
+object YamlModule : AbstractModule() {
     override fun configure() {
         Multibinder.newSetBinder(binder(), Module::class.java)