pvlib · kandersolar · Mar 14, 2025 · Oct 8, 2024 · Mar 14, 2025 · Mar 14, 2025
diff --git a/docs/sphinx/source/reference/pv_modeling/system_models.rst b/docs/sphinx/source/reference/pv_modeling/system_models.rst
@@ -13,7 +13,6 @@ Sandia array performance model (SAPM)
    pvsystem.sapm
    pvsystem.sapm_effective_irradiance
    pvsystem.sapm_spectral_loss
-   spectrum.spectral_factor_sapm
    inverter.sandia
    temperature.sapm_cell
 

diff --git a/docs/sphinx/source/whatsnew/v0.10.0.rst b/docs/sphinx/source/whatsnew/v0.10.0.rst
@@ -55,7 +55,7 @@ Deprecations
 * Functions for calculating spectral modifiers have been moved to :py:mod:`pvlib.spectrum`:
   :py:func:`!pvlib.atmosphere.first_solar_spectral_correction` is deprecated and
   replaced by :py:func:`~pvlib
10000
.spectrum.spectral_factor_firstsolar`, and
-  :py:func:`pvlib.pvsystem.sapm_spectral_loss` is deprecated and replaced by
+  :py:func:`!pvlib.pvsystem.sapm_spectral_loss` is deprecated and replaced by
   :py:func:`~pvlib.spectrum.spectral_factor_sapm`. (:pull:`1628`)
 * Removed the ``get_ecmwf_macc`` and ``read_ecmwf_macc`` iotools functions as the
   MACC dataset has been `removed by ECMWF <https://confluence.ecmwf.int/display/DAC/Decommissioning+of+ECMWF+Public+Datasets+Service>`_

diff --git a/docs/sphinx/source/whatsnew/v0.11.3.rst b/docs/sphinx/source/whatsnew/v0.11.3.rst
@@ -12,6 +12,8 @@ Breaking Changes
 * Users must now provide ModelChain.spectral_model, or the 'no_loss' spectral
   model is assumed. pvlib.modelchain.ModelChain no longer attempts to infer
   the spectral model from PVSystem attributes. (:issue:`2017`, :pull:`2253`)
+* Remove deprecated :py:func:`!pvlib.pvsystem.sapm_spectral_loss`.
+  (:issue:`2243`, :pull:`2244`)
 * :py:func:`~pvlib.iotools.read_tmy3` now defaults to ``map_variables=True``.
   Additionally, the deprecated ``recolumn`` parameter is now removed. (:issue:`2324`, :pull:`2408`)
 * Remove :py:func:`!pvlib.atmosphere.first_solar_spectral_correction`, deprecated in v0.10.0.

diff --git a/docs/sphinx/source/whatsnew/v0.6.1.rst b/docs/sphinx/source/whatsnew/v0.6.1.rst
@@ -56,7 +56,7 @@ Enhancements
 * Use HRRR modeled surface temperature values instead of inferring from
   isobaric values and modeled wind speed instead of inferring from gust.
   (:issue:`604`)
-* Change :py:func:`pvlib.pvsystem.sapm_spectral_loss` to avoid numpy warning.
+* Change :py:func:`!pvlib.pvsystem.sapm_spectral_loss` to avoid numpy warning.
 * Add warning message when :py:func:`pvlib.spa` is reloaded. (:issue:`401`)
 * Add option for :py:func:`pvlib.irradiance.disc` to use relative airmass
   by supplying `pressure=None`. (:issue:`449`)

diff --git a/pvlib/pvsystem.py b/pvlib/pvsystem.py
@@ -2314,12 +2314,6 @@ def sapm(effective_irradiance, temp_cell, module):
     return out
 
 
-sapm_spectral_loss = deprecated(
-    since='0.10.0',
-    alternative='pvlib.spectrum.spectral_factor_sapm'
-)(spectrum.spectral_factor_sapm)
-
-
 def sapm_effective_irradiance(poa_direct, poa_diffuse, airmass_absolute, aoi,
                               module):
     r"""

diff --git a/tests/test_pvsystem.py b/tests/test_pvsystem.py
@@ -234,12 +234,6 @@ def test_PVSystem_multi_array_sapm(sapm_module_params):
         system.sapm(500, temp_cell)
 
 
-def test_sapm_spectral_loss_deprecated(sapm_module_params):
-    with pytest.warns(pvlibDeprecationWarning,
-                      match='Use pvlib.spectrum.spectral_factor_sapm'):
-        pvsystem.sapm_spectral_loss(1, sapm_module_params)
-
-
 def test_PVSystem_sapm_spectral_loss(sapm_module_params, mocker):
     mocker.spy(spectrum, 'spectral_factor_sapm')
     system = pvsystem.PVSystem(module_parameters=sapm_module_params)