diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/agility/Obstacles.java b/runelite-client/src/main/java/net/runelite/client/plugins/agility/Obstacles.java
index 5826b3f664..5d07a0e836 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/agility/Obstacles.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/agility/Obstacles.java
@@ -24,13 +24,13 @@
  */
 package net.runelite.client.plugins.agility;
 
-import com.google.common.collect.Sets;
+import com.google.common.collect.ImmutableSet;
 import java.util.Set;
 import static net.runelite.api.ObjectID.*;
 
 public class Obstacles
 {
-	public static final Set<Integer> COURSE_OBSTACLE_IDS = Sets.newHashSet(
+	public static final Set<Integer> COURSE_OBSTACLE_IDS = ImmutableSet.of(
 		// Gnome
 		OBSTACLE_NET_23134, TREE_BRANCH_23559, TREE_BRANCH_23560, OBSTACLE_NET_23135, OBSTACLE_PIPE_23138,
 		OBSTACLE_PIPE_23139, LOG_BALANCE_23145, BALANCING_ROPE_23557,
@@ -76,7 +76,7 @@ public class Obstacles
 		GAP_11406, GAP_11429, GAP_11430, STEEP_ROOF, GAP_11630, PLANK_11631, WOODEN_BEAMS
 	);
 
-	public static final Set<Integer> SHORTCUT_OBSTACLE_IDS = Sets.newHashSet(
+	public static final Set<Integer> SHORTCUT_OBSTACLE_IDS = ImmutableSet.of(
 		// Grand Exchange
 		UNDERWALL_TUNNEL_16529, UNDERWALL_TUNNEL_16530,
 		// South Varrock
@@ -178,7 +178,7 @@ public class Obstacles
 		PILLAR_31561
 	);
 
-	public static final Set<Integer> TRAP_OBSTACLE_IDS = Sets.newHashSet(
+	public static final Set<Integer> TRAP_OBSTACLE_IDS = ImmutableSet.of(
 		// Agility pyramid
 		NULL_3550, NULL_10872, NULL_10873
 	);