diff --git a/wrk.patch b/wrk.patch
index f0fb758..48365c5 100644
--- a/wrk.patch
+++ b/wrk.patch
@@ -43,70 +43,4 @@ diff -up wrk/ode-initval2/test.c.wrk wrk/ode-initval2/test.c
  #endif
  
        if (s != GSL_SUCCESS)
-@@ -1959,7 +1978,7 @@ test_extreme_problems (void)
- 
-   /* Loop over problems */
- 
--  for (p = 0; p < CONST_EXTREME_NPROB; p++)
-+  for (p = 2; p < CONST_EXTREME_NPROB; p++)
-     {
-       /* Initialize */
- 
-@@ -2001,12 +2020,13 @@ test_extreme_problems (void)
- 
-       /* Call each solver for the problem */
- 
--      for (i = 0; steppers[i] != 0; i++)
-+      for (i = 1; steppers[i] != 0; i++)
-         {
-+	  printf("spustam driver p=%ld i=%ld\n", p, i);
-           int s = sys_driver (steppers[i], prob[p], start[p], end[p],
-                               initstepsize[p], &y[sd[p] * i],
-                               epsabs[p], epsrel[p], probname[p]);
--
-+	  printf("koniec drivera\n");
-           if (s != GSL_SUCCESS)
-             {
-               printf ("start=%.5e, initstepsize=%.5e\n", start[p],
-@@ -2450,7 +2470,7 @@ main (void)
- 
-   /* Basic tests for all steppers */
- 
--  for (i = 0; p[i].type != 0; i++)
-+  /*for (i = 0; p[i].type != 0; i++)
-     {
-       test_stepper (p[i].type);
-     }
-@@ -2469,9 +2489,9 @@ main (void)
-       test_stepsize_fail (p[i].type, p[i].h);
-       test_user_break (p[i].type, p[i].h);
-     }
--
-+*/
-   /* Derivative test for explicit steppers */
--
-+/*
-   explicit_stepper[0].type = gsl_odeiv2_step_rk4;
-   explicit_stepper[0].h = 1.0e-3;
-   explicit_stepper[1].type = gsl_odeiv2_step_rk2;
-@@ -2491,16 +2511,16 @@ main (void)
-       test_stepfn (explicit_stepper[i].type);
-       test_stepfn2 (explicit_stepper[i].type);
-     }
--
-+*/
-   /* Special tests */
-   
--  test_nonstiff_problems ();
-+ // test_nonstiff_problems ();
- 
--  test_stiff_problems ();
-+ // test_stiff_problems ();
- 
-   test_extreme_problems ();
- 
--  test_driver ();
-+  //test_driver ();
-   
-   exit (gsl_test_summary ());
- }
+