diff --git a/R/TunerBatchIrace.R b/R/TunerBatchIrace.R
index 7e06e603..8b3fab88 100644
--- a/R/TunerBatchIrace.R
+++ b/R/TunerBatchIrace.R
@@ -54,8 +54,8 @@
 #' # load learner and set search space
 #' learner = lrn("classif.rpart", cp = to_tune(1e-04, 1e-1, logscale = TRUE))
 #'
-#' # currently there is bug in irace 4.0.0 that sometimes let the example crash
-#' \dontrun{
+#' # runtime of the example is too long
+#' \donttest{
 #' # hyperparameter tuning on the pima indians diabetes data set
 #' instance = tune(
 #'   tuner = tnr("irace"),
diff --git a/man/mlr_tuners_irace.Rd b/man/mlr_tuners_irace.Rd
index cf1d290e..65bcf2f7 100644
--- a/man/mlr_tuners_irace.Rd
+++ b/man/mlr_tuners_irace.Rd
@@ -109,8 +109,8 @@ task = tsk("pima")
 # load learner and set search space
 learner = lrn("classif.rpart", cp = to_tune(1e-04, 1e-1, logscale = TRUE))
 
-# currently there is bug in irace 4.0.0 that sometimes let the example crash
-\dontrun{
+# runtime of the example is too long
+\donttest{
 # hyperparameter tuning on the pima indians diabetes data set
 instance = tune(
   tuner = tnr("irace"),
diff --git a/tests/testthat/test_TunerBatchIrace.R b/tests/testthat/test_TunerBatchIrace.R
index 39a6887d..f14ca37c 100644
--- a/tests/testthat/test_TunerBatchIrace.R
+++ b/tests/testthat/test_TunerBatchIrace.R
@@ -1,7 +1,6 @@
 skip_if_not_installed("irace")
 
 test_that("TunerIrace", {
-  skip_if(TRUE) # Remove this line when irace is fixed
   z = test_tuner("irace", term_evals = 42)
   instance = z$inst
   archive = instance$archive$data
@@ -23,7 +22,6 @@ test_that("TunerIrace", {
 })
 
 test_that("TunerIrace works with dependencies", {
-  skip_if(TRUE) # Remove this line when irace is fixed
   search_space = ps(
     cp = p_dbl(lower = 0.001, upper = 0.1),
     minsplit = p_int(lower = 1, upper = 10, depends = cp == 0.005)
@@ -44,7 +42,6 @@ test_that("TunerIrace works with dependencies", {
 })
 
 test_that("TunerIrace works with logical parameters", {
-  skip_if(TRUE) # Remove this line when irace is fixed
   search_space = ps(
      cp = p_dbl(lower = 0.001, upper = 0.1),
     keep_model = p_lgl())
@@ -61,9 +58,8 @@ test_that("TunerIrace works with logical parameters", {
 })
 
 test_that("TunerIrace uses digits", {
-  skip_if(TRUE) # Remove this line when irace is fixed
   search_space = ps(cp = p_dbl(lower = pi * 1e-20, upper = 5.242e12 / 1e13))
- instance = ti(
+  instance = ti(
     task = tsk("mtcars"),
     learner = lrn("regr.rpart"),
     resampling = rsmp("holdout"),
@@ -75,7 +71,6 @@ test_that("TunerIrace uses digits", {
 })
 
 test_that("TunerIrace works with unnamed discrete values", {
-  skip_if(TRUE) # Remove this line when irace is fixed
   # we had a bug here, see (mlr) issue #627
   search_space = ps(minsplit = p_int(lower = 2L, upper = 7L))
   instance = ti(