diff --git a/source/_components/sensor.systemmonitor.markdown b/source/_components/sensor.systemmonitor.markdown
index 10da7021396..48e8f885880 100644
--- a/source/_components/sensor.systemmonitor.markdown
+++ b/source/_components/sensor.systemmonitor.markdown
@@ -70,7 +70,6 @@ file.
 | processor_use       |                           |
 | process             | Binary, e.g., `octave-cli` |
 | last_boot           |                           |
-| since_last_boot     |                           |
 
 ## {% linkable_title Linux specific %}