diff --git a/CMakeLists.txt b/CMakeLists.txt
index 656e0d3e71d..3406c0acc60 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1824,6 +1824,8 @@ if(CONFIG_SOC_DEPRECATED_RELEASE)
   )
 endif()
 
+include(modules/deprecation_warnings.cmake)
+
 # In CMake projects, 'CMAKE_BUILD_TYPE' usually determines the
 # optimization flag, but in Zephyr it is determined through
 # Kconfig. Here we give a warning when there is a mismatch between the
diff --git a/modules/deprecation_warnings.cmake b/modules/deprecation_warnings.cmake
new file mode 100644
index 00000000000..4ed70222f78
--- /dev/null
+++ b/modules/deprecation_warnings.cmake
@@ -0,0 +1,13 @@
+# Copyright 2022 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+# This file is included to warn the user about any deprecated modules
+# they are using. To create a warning, follow the pattern:
+#
+#     if(CONFIG_FOO)
+#       message(WARNING "The foo module is deprecated. <More information>")
+#     endif()
+#
+# This is done in a separate CMake file because the modules.cmake file
+# in this same directory is evaluated before Kconfig runs.
+