diff --git a/subsys/secure_storage/CMakeLists.txt b/subsys/secure_storage/CMakeLists.txt
index 4113ce72f16..2717994ebb0 100644
--- a/subsys/secure_storage/CMakeLists.txt
+++ b/subsys/secure_storage/CMakeLists.txt
@@ -31,9 +31,13 @@ if(CONFIG_SECURE_STORAGE_PS_IMPLEMENTATION_CUSTOM)
   make_available(ps.h)
 endif()
 
-if(CONFIG_SECURE_STORAGE_ITS_TRANSFORM_IMPLEMENTATION_CUSTOM)
-  make_available(its/transform.h)
-endif()
+if(CONFIG_SECURE_STORAGE_ITS_TRANSFORM_MODULE)
+
+  if(NOT CONFIG_SECURE_STORAGE_ITS_TRANSFORM_IMPLEMENTATION_AEAD)
+    make_available(its/transform.h)
+  endif()
+
+endif() # CONFIG_SECURE_STORAGE_ITS_TRANSFORM_MODULE
 
 if(CONFIG_SECURE_STORAGE_ITS_STORE_IMPLEMENTATION_CUSTOM)
   make_available(its/store.h)