diff --git a/scripts/tracetool b/scripts/tracetool
index 65bd0a1b4c..a279c2c58b 100755
--- a/scripts/tracetool
+++ b/scripts/tracetool
@@ -161,6 +161,18 @@ linetoc_nop()
     return
 }
 
+linetod_nop()
+{
+    # Used when "disabled" events are processed
+    return
+}
+
+linetostap_nop()
+{
+    # Used when "disabled" events are processed
+    return
+}
+
 linetoc_end_nop()
 {
     return