diff --git a/question/type/calculated/questiontype.php b/question/type/calculated/questiontype.php
index 6dc5668b141cb..a5f7a2cb2d2e4 100644
--- a/question/type/calculated/questiontype.php
+++ b/question/type/calculated/questiontype.php
@@ -825,10 +825,6 @@ function grade_responses(&$question, &$state, $cmoptions) {
         return $virtualqtype->grade_responses($numericalquestion, $state, $cmoptions) ;
     }
 
-    function response_summary($question, $state, $length=80, $formatting=true) {
-        // The actual response is the bit after the hyphen
-        return substr($state->answer, strpos($state->answer, '-')+1, $length);
-    }
 
     // ULPGC ecastro
     function check_response(&$question, &$state) {
diff --git a/question/type/calculatedsimple/questiontype.php b/question/type/calculatedsimple/questiontype.php
index 0d6423516197f..91bcd9a40bf6f 100644
--- a/question/type/calculatedsimple/questiontype.php
+++ b/question/type/calculatedsimple/questiontype.php
@@ -222,10 +222,6 @@ function save_question($question, $form, $course) {
     }
 
 
-    function response_summary($question, $state, $length=80, $formatting=true) {
-        // The actual response is the bit after the hyphen
-        return substr($state->answer, strpos($state->answer, '-')+1, $length);
-    }
 
     function custom_generator_tools_part(&$mform, $idx, $j){