diff --git a/specs/abandoned/index.rst b/specs/abandoned/index.rst
index 347578d6c..b64c69339 100644
--- a/specs/abandoned/index.rst
+++ b/specs/abandoned/index.rst
@@ -25,4 +25,4 @@ real.
    :glob:
    :maxdepth: 1
 
-   *
\ No newline at end of file
+   *
diff --git a/specs/backlog/approved/instance-tasks.rst b/specs/abandoned/instance-tasks.rst
similarity index 97%
rename from specs/backlog/approved/instance-tasks.rst
rename to specs/abandoned/instance-tasks.rst
index 01bb67a17..0cdf2353a 100644
--- a/specs/backlog/approved/instance-tasks.rst
+++ b/specs/abandoned/instance-tasks.rst
@@ -8,6 +8,9 @@
 Instance tasks - A short history and primer
 ===========================================
 
+.. note:: This spec was abandoned by efried on account of having been
+          sitting in the backlog directory since 2015.
+
 This starts as a story about exposing errors to users.
 
 From very early on, if not the beginning, the Nova API has had a concept of an
@@ -219,3 +222,5 @@ time.
      - Description
    * - Liberty
      - Introduced
+   * - Train
+     - Abandoned
diff --git a/specs/backlog/redirects b/specs/backlog/redirects
index ba0634773..bb4f0d5ad 100644
--- a/specs/backlog/redirects
+++ b/specs/backlog/redirects
@@ -1 +1,2 @@
+approved/instance-tasks.rst ../../abandoned/instance-tasks.rst
 approved/parallel-scheduler.rst ../../abandoned/parallel-scheduler.rst