diff --git a/mission/controller/acs/util/MathOperations.h b/mission/controller/acs/util/MathOperations.h
index b8d1fa4d..d8c8d0d6 100644
--- a/mission/controller/acs/util/MathOperations.h
+++ b/mission/controller/acs/util/MathOperations.h
@@ -10,6 +10,8 @@
 
 #include <iostream>
 
+#include "fsfw/timemanager/Stopwatch.h"
+
 using namespace Math;
 
 template <typename T1, typename T2 = T1>
@@ -300,6 +302,7 @@ class MathOperations {
   }
 
   static float matrixDeterminant(const T1 *inputMatrix, uint8_t size) {
+    /* do not use this. takes 300ms */
     float det = 0;
     T1 matrix[size][size], submatrix[size - 1][size - 1];
     for (uint8_t row = 0; row < size; row++) {
@@ -329,9 +332,11 @@ class MathOperations {
   }
 
   static int inverseMatrix(const T1 *inputMatrix, T1 *inverse, uint8_t size) {
-    if (MathOperations<T1>::matrixDeterminant(inputMatrix, size) == 0) {
-      return 1;  // Matrix is singular and not invertible
-    }
+    // Stopwatch stopwatch;
+    //    if (MathOperations<T1>::matrixDeterminant(inputMatrix, size) == 0) {
+    //      return 1;  // Matrix is singular and not invertible
+    //    }
+    //    stopwatch.stop(true);
     T1 matrix[size][size], identity[size][size];
     // reformat array to matrix
     for (uint8_t row = 0; row < size; row++) {