diff --git a/cmake/dts.cmake b/cmake/dts.cmake
index e458338df31..961fab7fd99 100644
--- a/cmake/dts.cmake
+++ b/cmake/dts.cmake
@@ -247,11 +247,6 @@ if(SUPPORTS_DTS)
     message(STATUS "Generated device_extern.h: ${DEVICE_EXTERN_H}")
   endif()
 
-  # A file that used to be generated by 'dtc'. zephyr.dts is the new
-  # equivalent. Will be removed in Zephyr 2.3.
-  file(WRITE ${PROJECT_BINARY_DIR}/${BOARD}.dts_compiled
-       "See zephyr.dts for the final merged devicetree.")
-
 else()
   file(WRITE ${DEVICETREE_UNFIXED_H} "/* WARNING. THIS FILE IS AUTO-GENERATED. DO NOT MODIFY! */")
   file(WRITE ${DEVICE_EXTERN_H} "/* WARNING. THIS FILE IS AUTO-GENERATED. DO NOT MODIFY! */")