diff --git a/src/main/java/com/adventofcode/flashk/day17/ChronospatialComputer.java b/src/main/java/com/adventofcode/flashk/day17/ChronospatialComputer.java
index 641d308..9865d39 100644
--- a/src/main/java/com/adventofcode/flashk/day17/ChronospatialComputer.java
+++ b/src/main/java/com/adventofcode/flashk/day17/ChronospatialComputer.java
@@ -20,7 +20,6 @@ public class ChronospatialComputer {
     private int[] program;
     private int instructionPointer;
     private StringJoiner outJoiner;
-    private boolean allowReservedOperand;
 
     public ChronospatialComputer(List<String> inputs) {
         a = Integer.parseInt(inputs.get(0).substring(12));
@@ -32,11 +31,10 @@ public ChronospatialComputer(List<String> inputs) {
 
     }
 
-    public String solveA(boolean allowReservedOperand) {
+    public String solveA() {
 
         instructionPointer = 0;
         outJoiner = new StringJoiner(",");
-        this.allowReservedOperand  = allowReservedOperand;
 
         int opcode;
         int operator;
@@ -83,9 +81,6 @@ private int getComboOperand(int operator) {
             case 6:
                 return c;
             default:
-                if (allowReservedOperand) {
-                    return operator;
-                }
                 throw new IllegalArgumentException("Invalid operator: "+operator);
         }
     }
@@ -94,8 +89,6 @@ private void adv(int operand) {
         int comboOperand = getComboOperand(operand);
         int power = (int) Math.pow(2, comboOperand);
         a = a / power;
-
-        // TODO es posible que haya que truncar.
     }
 
     private void bxl(int operand) {
diff --git a/src/test/java/com/adventofcode/flashk/day17/Day17Test.java b/src/test/java/com/adventofcode/flashk/day17/Day17Test.java
index c09489d..c08847d 100644
--- a/src/test/java/com/adventofcode/flashk/day17/Day17Test.java
+++ b/src/test/java/com/adventofcode/flashk/day17/Day17Test.java
@@ -2,7 +2,6 @@
 
 import java.util.List;
 
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.MethodOrderer.OrderAnnotation;
 import org.junit.jupiter.api.Order;
@@ -36,7 +35,7 @@ void part1Debug1Test() {
 		List<String> inputs = Input.readStringLines(INPUT_FOLDER, TestFilename.INPUT_FILE_SINGLE_SAMPLE);
 
 		ChronospatialComputer chronospatialComputer = new ChronospatialComputer(inputs);
-		chronospatialComputer.solveA(false);
+		chronospatialComputer.solveA();
 
 		assertEquals(1, chronospatialComputer.getB());
 	}
@@ -53,7 +52,7 @@ void part1Debug2Test() {
 
 		ChronospatialComputer chronospatialComputer = new ChronospatialComputer(inputs);
 
-		assertEquals("0,1,2", chronospatialComputer.solveA(false));
+		assertEquals("0,1,2", chronospatialComputer.solveA());
 	}
 
 	@Test
@@ -76,7 +75,7 @@ void part1Debug3Test() {
 
 		// Program: 0,1,5,4,3,0
 
-		assertEquals("4,2,5,6,7,7,7,7,3,1,0", chronospatialComputer.solveA(false));
+		assertEquals("4,2,5,6,7,7,7,7,3,1,0", chronospatialComputer.solveA());
 		assertEquals(0, chronospatialComputer.getA());
 	}
 
@@ -91,7 +90,7 @@ void part1Debug4Test() {
 		List<String> inputs = Input.readStringLines(INPUT_FOLDER, TestFilename.INPUT_FILE_SINGLE_SAMPLE_4);
 
 		ChronospatialComputer chronospatialComputer = new ChronospatialComputer(inputs);
-		chronospatialComputer.solveA(true);
+		chronospatialComputer.solveA();
 
 		// Se permite el operador reservado porque en este caso, el input tiene un operator 7 que hay que debuggear.
 
@@ -109,7 +108,7 @@ void part1Debug5Test() {
 		List<String> inputs = Input.readStringLines(INPUT_FOLDER, TestFilename.INPUT_FILE_SINGLE_SAMPLE_5);
 
 		ChronospatialComputer chronospatialComputer = new ChronospatialComputer(inputs);
-		chronospatialComputer.solveA(false);
+		chronospatialComputer.solveA();
 
 		assertEquals(44354, chronospatialComputer.getB());
 	}
@@ -126,7 +125,7 @@ public void testSolvePart1Sample() {
 
 		ChronospatialComputer chronospatialComputer = new ChronospatialComputer(inputs);
 
-		assertEquals("4,6,3,5,6,3,5,2,1,0", chronospatialComputer.solveA(false));
+		assertEquals("4,6,3,5,6,3,5,2,1,0", chronospatialComputer.solveA());
 	}
 
 	@Test
@@ -138,11 +137,10 @@ public void testSolvePart1Input() {
 
 		// Read input file
 		List<String> inputs = Input.readStringLines(INPUT_FOLDER, TestFilename.INPUT_FILE);
+
 		ChronospatialComputer chronospatialComputer = new ChronospatialComputer(inputs);
-		System.out.println("Solution: "+chronospatialComputer.solveA(false));
 
-		// 3,4,5,0,5,4,1,5,0 -> Not valid
-		assertEquals("6,7,5,2,1,3,5,1,7",chronospatialComputer.solveA(false));
+		assertEquals("6,7,5,2,1,3,5,1,7",chronospatialComputer.solveA());
 
 	}