diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerConfig.java b/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerConfig.java
index d77f3ab9f5..394ffcf81b 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerConfig.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerConfig.java
@@ -23,7 +23,6 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
 package net.runelite.client.plugins.groundmarkers;
 
 import java.awt.Color;
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerInputListener.java b/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerInputListener.java
index 3b87dd1802..a097d47d29 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerInputListener.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerInputListener.java
@@ -64,4 +64,4 @@ public class GroundMarkerInputListener implements KeyListener
 			plugin.setHotKeyPressed(false);
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerOverlay.java b/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerOverlay.java
index ccd6fd7483..d2b64a81d0 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerOverlay.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerOverlay.java
@@ -42,6 +42,8 @@ import net.runelite.client.ui.overlay.OverlayUtil;
 
 public class GroundMarkerOverlay extends Overlay
 {
+	private static final int MAX_DRAW_DISTANCE = 32;
+
 	private final Client client;
 	private final GroundMarkerConfig config;
 	private final GroundMarkerPlugin plugin;
@@ -78,7 +80,7 @@ public class GroundMarkerOverlay extends Overlay
 	{
 		WorldPoint playerLocation = client.getLocalPlayer().getWorldLocation();
 
-		if (point.distanceTo(playerLocation) >= 32)
+		if (point.distanceTo(playerLocation) >= MAX_DRAW_DISTANCE)
 		{
 			return;
 		}
@@ -97,4 +99,4 @@ public class GroundMarkerOverlay extends Overlay
 
 		OverlayUtil.renderPolygon(graphics, poly, config.markerColor());
 	}
-}
\ No newline at end of file
+}
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerPlugin.java
index 71a21e1c7f..a6978c32ae 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerPlugin.java
@@ -69,8 +69,9 @@ public class GroundMarkerPlugin extends Plugin
 	private static final String CONFIG_GROUP = "groundMarker";
 	private static final String MARK = "Mark tile";
 	private static final String WALK_HERE = "Walk here";
+	private static final String REGION_PREFIX = "region_";
 
-	private static final Gson gson = new Gson();
+	private static final Gson GSON = new Gson();
 
 	@Getter(AccessLevel.PACKAGE)
 	@Setter(AccessLevel.PACKAGE)
@@ -101,24 +102,26 @@ public class GroundMarkerPlugin extends Plugin
 	{
 		if (points == null || points.isEmpty())
 		{
-			configManager.unsetConfiguration(CONFIG_GROUP, "region_" + regionId);
+			configManager.unsetConfiguration(CONFIG_GROUP, REGION_PREFIX + regionId);
 			return;
 		}
 
-		String json = gson.toJson(points);
-		configManager.setConfiguration(CONFIG_GROUP, "region_" + regionId, json);
+		String json = GSON.toJson(points);
+		configManager.setConfiguration(CONFIG_GROUP, REGION_PREFIX + regionId, json);
 	}
 
 	private Collection<GroundMarkerPoint> getPoints(int regionId)
 	{
-		String json = configManager.getConfiguration(CONFIG_GROUP, "region_" + regionId);
+		String json = configManager.getConfiguration(CONFIG_GROUP, REGION_PREFIX + regionId);
 		if (Strings.isNullOrEmpty(json))
 		{
-			return Collections.EMPTY_LIST;
+			return Collections.emptyList();
 		}
-		return gson.fromJson(json, new TypeToken<List<GroundMarkerPoint>>()
-		{
-		}.getType());
+		return GSON.fromJson(json, new GroundMarkerListTypeToken().getType());
+	}
+
+	private static class GroundMarkerListTypeToken extends TypeToken<List<GroundMarkerPoint>>
+	{
 	}
 
 	@Provides
@@ -238,8 +241,7 @@ public class GroundMarkerPlugin extends Plugin
 		keyManager.unregisterKeyListener(inputListener);
 	}
 
-
-	protected void markTile(LocalPoint localPoint)
+	private void markTile(LocalPoint localPoint)
 	{
 		if (localPoint == null)
 		{
@@ -266,4 +268,4 @@ public class GroundMarkerPlugin extends Plugin
 
 		loadPoints();
 	}
-}
\ No newline at end of file
+}
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerPoint.java b/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerPoint.java
index b31db32222..396a2217cb 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerPoint.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerPoint.java
@@ -23,16 +23,15 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
 package net.runelite.client.plugins.groundmarkers;
 
 import lombok.Value;
 
 @Value
-public class GroundMarkerPoint
+class GroundMarkerPoint
 {
 	private int regionId;
 	private int regionX;
 	private int regionY;
 	private int z;
-}
\ No newline at end of file
+}