diff --git a/src/main/java/net/knarcraft/stargate/portal/GateHandler.java b/src/main/java/net/knarcraft/stargate/portal/GateHandler.java
index 09df095..1a90965 100644
--- a/src/main/java/net/knarcraft/stargate/portal/GateHandler.java
+++ b/src/main/java/net/knarcraft/stargate/portal/GateHandler.java
@@ -32,7 +32,6 @@ public class GateHandler {
 
     private static final HashMap<String, Gate> gates = new HashMap<>();
     private static final HashMap<Material, List<Gate>> controlBlocks = new HashMap<>();
-    private static final HashSet<Material> frameBlocks = new HashSet<>();
 
     private GateHandler() {
 
@@ -139,9 +138,6 @@ public class GateHandler {
             return null;
         }
 
-        //Update list of all frame blocks
-        frameBlocks.addAll(frameTypes);
-
         gate.save(parentFolder + "/"); // Updates format for version changes
         return gate;
     }
@@ -470,23 +466,12 @@ public class GateHandler {
         return gates.size();
     }
 
-    /**
-     * Checks whether the given material is used for the frame of any portals
-     *
-     * @param type <p>The material type to check</p>
-     * @return <p>True if the material is used for the frame of at least one portal</p>
-     */
-    public static boolean isGateBlock(Material type) {
-        return frameBlocks.contains(type);
-    }
-
     /**
      * Clears all loaded gates
      */
     public static void clearGates() {
         gates.clear();
         controlBlocks.clear();
-        frameBlocks.clear();
     }
 
 }