diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt
index 10d21e1fa12..6632488ac9a 100644
--- a/scripts/CMakeLists.txt
+++ b/scripts/CMakeLists.txt
@@ -1,3 +1,6 @@
+# 9/2021 - per Doug, no longer install qdec binary from ./tktools.
+# Add/install qdec script here in order to echo qdec no longer supported.
+
 install_configured(
   annot2std
   aparc2feat
@@ -178,6 +181,7 @@ install_configured(
   polyorder
   print_unique_labels.csh
   progressbar.tcl
+  qdec
   rbbr
   rcbf-prep
   rebuild_gca_atlas.csh
diff --git a/tktools/CMakeLists.txt b/tktools/CMakeLists.txt
index 32fb03fcfa0..54322d47e1c 100644
--- a/tktools/CMakeLists.txt
+++ b/tktools/CMakeLists.txt
@@ -6,10 +6,12 @@ project(tktools)
 # Eventually these programs can be completely deprecated, but for now
 # we have to option to install precompiled binaries in linux distributions.
 
+# 9/2021 - per Doug, no longer install qdec binary (from here).
+# Added install of ./scripts/qdec which echoes qdec no longer supported.
+
 if(NOT APPLE)
 
   install_symlinks(
-    qdec
     tkmedit
     tkregister2
     tksurfer