diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index 206e758336..5f4ef02510 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -9031,19 +9031,6 @@ system and gives an overview of their function and contents.
 
       You can select "glibc", "musl", "newlib", or "baremetal".
 
-   :term:`TCLIBCAPPEND`
-      Specifies a suffix to be appended onto the :term:`TMPDIR` value. The
-      suffix identifies the ``libc`` variant for building. When you are
-      building for multiple variants with the same :term:`Build Directory`,
-      this mechanism ensures that output for different ``libc`` variants is
-      kept separate to avoid potential conflicts.
-
-      In the ``defaultsetup.conf`` file, the default value of
-      :term:`TCLIBCAPPEND` is "-${TCLIBC}". However, distros such as poky,
-      which normally only support one ``libc`` variant, set
-      :term:`TCLIBCAPPEND` to "" in their distro configuration file resulting
-      in no suffix being applied.
-
    :term:`TCMODE`
       Specifies the toolchain selector. :term:`TCMODE` controls the
       characteristics of the generated packages and images by telling the