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 42a6d4e965..93510dc94a 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
@@ -78,6 +78,7 @@ import javax.annotation.Nullable;
 import javax.inject.Inject;
 import javax.inject.Named;
 import javax.inject.Singleton;
+import lombok.NonNull;
 import lombok.extern.slf4j.Slf4j;
 import net.runelite.api.Client;
 import net.runelite.api.Player;
@@ -482,7 +483,7 @@ public class ConfigManager
 		setConfiguration(groupName, null, key, value);
 	}
 
-	public void setConfiguration(String groupName, String profile, String key, String value)
+	public void setConfiguration(String groupName, String profile, String key, @NonNull String value)
 	{
 		if (Strings.isNullOrEmpty(groupName) || Strings.isNullOrEmpty(key))
 		{
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/slayer/SlayerPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/slayer/SlayerPlugin.java
index 24816d559e..bc9281980e 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/slayer/SlayerPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/slayer/SlayerPlugin.java
@@ -316,7 +316,14 @@ public class SlayerPlugin extends Plugin
 
 	private void setProfileConfig(String key, Object value)
 	{
-		configManager.setRSProfileConfiguration(SlayerConfig.GROUP_NAME, key, value);
+		if (value != null)
+		{
+			configManager.setRSProfileConfiguration(SlayerConfig.GROUP_NAME, key, value);
+		}
+		else
+		{
+			configManager.unsetRSProfileConfiguration(SlayerConfig.GROUP_NAME, key);
+		}
 	}
 
 	private void save()
diff --git a/runelite-client/src/test/java/net/runelite/client/plugins/slayer/SlayerPluginTest.java b/runelite-client/src/test/java/net/runelite/client/plugins/slayer/SlayerPluginTest.java
index 21af0f0538..f10e525ce8 100644
--- a/runelite-client/src/test/java/net/runelite/client/plugins/slayer/SlayerPluginTest.java
+++ b/runelite-client/src/test/java/net/runelite/client/plugins/slayer/SlayerPluginTest.java
@@ -553,6 +553,8 @@ public class SlayerPluginTest
 
 		assertEquals("", slayerPlugin.getTaskName());
 		assertEquals(0, slayerPlugin.getAmount());
+
+		verify(configManager).unsetRSProfileConfiguration(SlayerConfig.GROUP_NAME, SlayerConfig.TASK_LOC_KEY);
 	}
 
 	@Test