diff --git a/src/backend/CheckKing.java b/src/backend/CheckKing.java
index b15fe0b..7eb94c2 100644
--- a/src/backend/CheckKing.java
+++ b/src/backend/CheckKing.java
@@ -61,45 +61,4 @@ public class CheckKing {
 
         return legalMoves;
     }
-    
- // 3. Check if the given color is in checkmate
-    public static boolean isCheckmate(Board board, boolean white) {
-        // If the king is not in check, it's not checkmate
-        if (!isKingInCheck(board, white)) {
-            return false;
-        }
-
-        // Check if there are any valid moves for the given color
-        Piece[][] grid = board.getBoardMatrix();
-
-        // Iterate through all pieces of the given color
-        for (int y = 0; y < board.getHeight(); y++) {
-            for (int x = 0; x < board.getWidth(); x++) {
-                Piece piece = grid[y][x];
-                if (piece != null && piece.isWhite() == white) {
-                    // Get the valid moves for this piece
-                    Set<String> validMoves = board.getValidMoves(piece, true);
-
-                    // If any valid move is available that does not leave the king in check, it's not checkmate
-                    for (String move : validMoves) {
-                        String[] parts = move.split(",");
-                        int toX = Integer.parseInt(parts[0]);
-                        int toY = Integer.parseInt(parts[1]);
-
-                        // Simulate the move
-                        Board copy = new Board(board);
-                        copy.movePiece(piece.getX(), piece.getY(), toX, toY);
-
-                        // Check if the move puts the king in check
-                        if (!isKingInCheck(copy, white)) {
-                            return false; // There's at least one valid move that doesn't leave the king in check
-                        }
-                    }
-                }
-            }
-        }
-
-        // If no valid moves are available, it's checkmate
-        return true;
-    }
 }