diff --git a/doc/tex/channelvariables.tex b/doc/tex/channelvariables.tex
index 9f1104c5208c930a1d06a8d5df7c4514d17a2181..48f252989270bf11bb4d07860b5ff24e455a8c72 100644
--- a/doc/tex/channelvariables.tex
+++ b/doc/tex/channelvariables.tex
@@ -838,7 +838,6 @@ ${TOUCH_MONITOR_PREF}   * The prefix for automonitor recording filenames.
 ${TOUCH_MONITOR_FORMAT}   The audio format to use with Touch Monitor (auto record)
 ${TOUCH_MONITOR_OUTPUT} * Recorded file from Touch Monitor (auto record)
 ${TXTCIDNAME}           * Result of application TXTCIDName
-${VPB_GETDTMF}            chan_vpb
 \end{verbatim}
 
 \subsection{The MeetMe Conference Bridge}