diff --git a/doc/algorithm/algorithm.rst b/doc/algorithm/algorithm.rst
index e6bcd647c5..18916d1d77 100644
--- a/doc/algorithm/algorithm.rst
+++ b/doc/algorithm/algorithm.rst
@@ -232,7 +232,6 @@ The correspondence to the code is as follows:
 
 The calling tree for these routines is as follows:
 
-.. _call-tree-press-meth:
 
 In general, the horizontal momentum time-stepping can contain some terms
 that are treated implicitly in time, such as the vertical viscosity when
@@ -531,17 +530,7 @@ as follows:
 .. admonition:: Adams-Bashforth calling tree
   :class: note
 
-    | :filelink:`FORWARD\_STEP <model/src/forward_step.F>`
-    | :math:`\phantom{W}` :filelink:`THERMODYNAMICS <model/src/thermodynamics.F>`
-    | :math:`\phantom{WW}` :filelink:`TEMP\_INTEGRATE <model/src/temp_integrate.F>`
-    | :math:`\phantom{WWW}` :filelink:`GAD\_CALC\_RHS <pkg/generic_advdiff/gad_calc_rhs.F>` :math:`\phantom{xxxxxxxxxw}` :math:`G_\theta^n = G_\theta( u, \theta^n)`
-    | :math:`\phantom{WWW}` either
-    | :math:`\phantom{WWWW}` :filelink:`EXTERNAL\_FORCING <model/src/external_forcing.F>` :math:`\phantom{xxxx}` :math:`G_\theta^n = G_\theta^n + {\cal Q}`
-    | :math:`\phantom{WWWW}` :filelink:`ADAMS\_BASHFORTH2 <model/src/adams_bashforth2.F>` :math:`\phantom{xxi}` :math:`G_\theta^{(n+1/2)}` :eq:`adams-bashforth2`
-    | :math:`\phantom{WWW}` or
-    | :math:`\phantom{WWWW}` :filelink:`EXTERNAL\_FORCING <model/src/external_forcing.F>` :math:`\phantom{xxxx}` :math:`G_\theta^{(n+1/2)} = G_\theta^{(n+1/2)} + {\cal Q}`
-    | :math:`\phantom{WW}` :filelink:`TIMESTEP\_TRACER <model/src/timestep_tracer.F>` :math:`\phantom{xxxxxxxxxx}` :math:`\tau^*` :eq:`taustar`
-    | :math:`\phantom{WW}` :filelink:`IMPLDIFF  <model/src/impldiff.F>` :math:`\phantom{xxxxxxxxxxxxxxxxxw}` :math:`\tau^{(n+1)}` :eq:`tau-n+1-implicit`
+  :filelink:`FORWARD\_STEP <model/src/forward_step.F>`
 
 In order to fit within the pressure method, the implicit viscosity must
 not alter the barotropic flow. In other words, it can only redistribute