diff --git a/DESCRIPTION b/DESCRIPTION
index f297976..75815e1 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: pxtextminingdashboard
 Title: Text Mining Dashboard of Patient Experience Feedback
-Version: 0.6.4
+Version: 0.6.5
 Authors@R: person('Andreas', 'Soteriades', email = 'andreas.soteriades@nottshc.nhs.uk', role = c('cre', 'aut'))
 Description: Text Mining Dashboard of Patient Experience Feedback.
 License: MIT + file LICENSE
diff --git a/R/utils_helpers.R b/R/utils_helpers.R
index f604ba1..36c01e6 100644
--- a/R/utils_helpers.R
+++ b/R/utils_helpers.R
@@ -100,7 +100,6 @@ prep_all_pipeline_tuning_results <- function(x) {
 prep_best_estimators <- function(x) {
   
   best_estimators <- x %>%
-    dplyr::mutate(learner = sub("\\(.*", "", param_clf__estimator)) %>%
     dplyr::group_by(learner) %>%
     dplyr::arrange(
       dplyr::desc(tidyselect::all_of("mean_test_Class Balance Accuracy"))