diff --git a/runelite-client/src/main/java/net/runelite/client/config/ConfigManager.java b/runelite-client/src/main/java/net/runelite/client/config/ConfigManager.java
index fdc2475ef0..b76849be96 100644
--- a/runelite-client/src/main/java/net/runelite/client/config/ConfigManager.java
+++ b/runelite-client/src/main/java/net/runelite/client/config/ConfigManager.java
@@ -341,7 +341,7 @@ public class ConfigManager
 		}
 	}
 
-	public <T> T getConfig(Class<T> clazz)
+	public <T extends Config> T getConfig(Class<T> clazz)
 	{
 		if (!Modifier.isPublic(clazz.getModifiers()))
 		{
@@ -439,7 +439,7 @@ public class ConfigManager
 		eventBus.post(configChanged);
 	}
 
-	public ConfigDescriptor getConfigDescriptor(Object configurationProxy)
+	public ConfigDescriptor getConfigDescriptor(Config configurationProxy)
 	{
 		Class<?> inter = configurationProxy.getClass().getInterfaces()[0];
 		ConfigGroup group = inter.getAnnotation(ConfigGroup.class);
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/devtools/DevToolsConfig.java b/runelite-client/src/main/java/net/runelite/client/plugins/devtools/DevToolsConfig.java
index a08edfd26c..ef12183573 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/devtools/DevToolsConfig.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/devtools/DevToolsConfig.java
@@ -24,11 +24,12 @@
  */
 package net.runelite.client.plugins.devtools;
 
+import net.runelite.client.config.Config;
 import net.runelite.client.config.ConfigGroup;
 import net.runelite.client.config.ConfigItem;
 
 @ConfigGroup("devtools")
-public interface DevToolsConfig
+public interface DevToolsConfig extends Config
 {
 	@ConfigItem(
 		keyName = "inspectorAlwaysOnTop",
diff --git a/runelite-client/src/test/java/net/runelite/client/config/TestConfig.java b/runelite-client/src/test/java/net/runelite/client/config/TestConfig.java
index 9bc5f29b37..66e659d98a 100644
--- a/runelite-client/src/test/java/net/runelite/client/config/TestConfig.java
+++ b/runelite-client/src/test/java/net/runelite/client/config/TestConfig.java
@@ -25,7 +25,7 @@
 package net.runelite.client.config;
 
 @ConfigGroup("test")
-public interface TestConfig
+public interface TestConfig extends Config
 {
 	@ConfigItem(
 		keyName = "key",