diff --git a/esmvaltool/diag_scripts/psyplot_diag.py b/archive/legacy_diag_scripts/psyplot_diag.py
similarity index 100%
rename from esmvaltool/diag_scripts/psyplot_diag.py
rename to archive/legacy_diag_scripts/psyplot_diag.py
diff --git a/esmvaltool/recipes/recipe_psyplot.yml b/archive/legacy_recipes/recipe_psyplot.yml
similarity index 100%
rename from esmvaltool/recipes/recipe_psyplot.yml
rename to archive/legacy_recipes/recipe_psyplot.yml
diff --git a/doc/sphinx/source/api/esmvaltool.diag_scripts.psyplot_diag.rst b/doc/sphinx/source/api/esmvaltool.diag_scripts.psyplot_diag.rst
deleted file mode 100644
index 2dc463cc9f..0000000000
--- a/doc/sphinx/source/api/esmvaltool.diag_scripts.psyplot_diag.rst
+++ /dev/null
@@ -1,9 +0,0 @@
-.. _api.esmvaltool.diag_scripts.psyplot_diag:
-
-Psyplot Diagnostic
-==================
-
-.. automodule:: esmvaltool.diag_scripts.psyplot_diag
-   :no-members:
-   :no-inherited-members:
-   :no-show-inheritance:
diff --git a/doc/sphinx/source/api/esmvaltool.rst b/doc/sphinx/source/api/esmvaltool.rst
index 1d16fabe2a..fbe88d5f70 100644
--- a/doc/sphinx/source/api/esmvaltool.rst
+++ b/doc/sphinx/source/api/esmvaltool.rst
@@ -27,7 +27,6 @@ Diagnostic Scripts
    esmvaltool.diag_scripts.emergent_constraints
    esmvaltool.diag_scripts.monitor
    esmvaltool.diag_scripts.ocean
-   esmvaltool.diag_scripts.psyplot_diag
    esmvaltool.diag_scripts.seaborn_diag
    esmvaltool.diag_scripts.portrait_plot
    esmvaltool.diag_scripts.climate_metrics.tcre
diff --git a/doc/sphinx/source/faq.rst b/doc/sphinx/source/faq.rst
index 43251a801b..c2414f08e2 100644
--- a/doc/sphinx/source/faq.rst
+++ b/doc/sphinx/source/faq.rst
@@ -128,11 +128,6 @@ preprocessed model.
 The plotting parameters are set through a yaml configuration file, and the type
 of plots to be generated are determined in the recipe.
 
-Moreover, recipe :ref:`recipes_psyplot_diag` and the corresponding diagnostic
-:ref:`psyplot_diag.py <api.esmvaltool.diag_scripts.psyplot_diag>` provide a
-high-level interface to the `Psyplot <https://psyplot.github.io/>`__ package
-which can be used to create a large variety of different plots.
-
 Similarly, recipe :ref:`recipes_seaborn_diag` and the corresponding diagnostic
 :ref:`seaborn_diag.py <api.esmvaltool.diag_scripts.seaborn_diag>` provide a
 high-level interface to the `Seaborn <https://seaborn.pydata.org>`__ package
diff --git a/doc/sphinx/source/recipes/index.rst b/doc/sphinx/source/recipes/index.rst
index c1104fb97e..b545fc7e96 100644
--- a/doc/sphinx/source/recipes/index.rst
+++ b/doc/sphinx/source/recipes/index.rst
@@ -25,7 +25,6 @@ large variety of input data.
    recipe_model_evaluation
    recipe_monitor
    recipe_portrait
-   recipe_psyplot
    recipe_seaborn
    recipe_ref
 
@@ -167,6 +166,7 @@ require a legacy version of ESMValTool to run.
 .. toctree::
    :maxdepth: 1
 
+   recipe_psyplot
    recipe_rainfarm
    recipe_schlund20jgr
    recipe_spei
diff --git a/doc/sphinx/source/recipes/recipe_psyplot.rst b/doc/sphinx/source/recipes/recipe_psyplot.rst
index 8c04784cd1..7ab5f5077a 100644
--- a/doc/sphinx/source/recipes/recipe_psyplot.rst
+++ b/doc/sphinx/source/recipes/recipe_psyplot.rst
@@ -1,7 +1,13 @@
 .. _recipes_psyplot_diag:
 
-Psyplot Diagnostics
-===================
+Legacy recipe: Psyplot Diagnostics
+==================================
+
+.. note::
+
+   This recipe has been retired and moved to the folder "archive". This recipe is only included
+   for documentation purposes and not maintained any more. The last known ESMValTool version
+   supporting this recipe is version 2.12.0.
 
 Overview
 --------
@@ -18,9 +24,9 @@ Recipes are stored in recipes/
 
    * recipe_psyplot.yml
 
-Diagnostics are stored in diag_scripts/
+Diagnostics are stored in archive/legacy_diag_scripts
 
-   * :ref:`psyplot_diag.py <api.esmvaltool.diag_scripts.psyplot_diag>`
+   * psyplot_diag.py
 
 
 Variables
diff --git a/environment.yml b/environment.yml
index 9e54c20215..37fe342a96 100644
--- a/environment.yml
+++ b/environment.yml
@@ -49,10 +49,6 @@ dependencies:
   - pip !=21.3
   - progressbar2
   - prov
-  - psyplot >=1.5.0
-  - psy-maps >=1.5.0
-  - psy-reg >=1.5.0
-  - psy-simple >=1.5.0
   - pyproj >=2.1
   - pys2index  # only from conda-forge
   - python >=3.11,<3.13
diff --git a/environment_osx.yml b/environment_osx.yml
index 441ee5e711..44a7b63fcf 100644
--- a/environment_osx.yml
+++ b/environment_osx.yml
@@ -47,10 +47,6 @@ dependencies:
   - pip !=21.3
   - progressbar2
   - prov
-  - psyplot >=1.5.0
-  - psy-maps >=1.5.0
-  - psy-reg >=1.5.0
-  - psy-simple >=1.5.0
   - pyproj >=2.1
   - pys2index >=0.1.5  # only from conda-forge; https://github.com/ESMValGroup/ESMValTool/pull/3792
   - python >=3.11,<3.13
diff --git a/setup.py b/setup.py
index f3730e6a89..1d39c2d12e 100755
--- a/setup.py
+++ b/setup.py
@@ -55,10 +55,6 @@
         "packaging",
         "pandas",
         "progressbar2",
-        "psyplot>=1.5.0",  # psy*<1.5.0 are not py312 compat
-        "psy-maps>=1.5.0",
-        "psy-reg>=1.5.0",
-        "psy-simple>=1.5.0",
         "pyproj>=2.1",
         "pys2index",
         "python-dateutil",