diff --git a/tools/kerneldoc/subsys/Doxyfile-dev_dme b/tools/kerneldoc/subsys/Doxyfile-dev_dme
deleted file mode 100644
index c5465c30c99e..000000000000
--- a/tools/kerneldoc/subsys/Doxyfile-dev_dme
+++ /dev/null
@@ -1,21 +0,0 @@
-# Doxyfile 1.5.2
-
-# $FreeBSD$
-
-#---------------------------------------------------------------------------
-# Project related configuration options
-#---------------------------------------------------------------------------
-PROJECT_NAME           = "FreeBSD kernel dme device code"
-OUTPUT_DIRECTORY       = $(DOXYGEN_DEST_PATH)/dev_dme/
-EXTRACT_ALL            = YES    # for undocumented src, no warnings enabled
-#---------------------------------------------------------------------------
-# configuration options related to the input files
-#---------------------------------------------------------------------------
-INPUT                  = $(DOXYGEN_SRC_PATH)/dev/dme/ \
-                         $(NOTREVIEWED)
-
-GENERATE_TAGFILE       = dev_dme/dev_dme.tag
-
-@INCLUDE_PATH          = $(DOXYGEN_INCLUDE_PATH)
-@INCLUDE               = common-Doxyfile
-
diff --git a/tools/kerneldoc/subsys/Doxyfile-dev_rt b/tools/kerneldoc/subsys/Doxyfile-dev_rt
deleted file mode 100644
index 35efce958419..000000000000
--- a/tools/kerneldoc/subsys/Doxyfile-dev_rt
+++ /dev/null
@@ -1,21 +0,0 @@
-# Doxyfile 1.5.2
-
-# $FreeBSD$
-
-#---------------------------------------------------------------------------
-# Project related configuration options
-#---------------------------------------------------------------------------
-PROJECT_NAME           = "FreeBSD kernel RT device code"
-OUTPUT_DIRECTORY       = $(DOXYGEN_DEST_PATH)/dev_rt/
-EXTRACT_ALL            = YES    # for undocumented src, no warnings enabled
-#---------------------------------------------------------------------------
-# configuration options related to the input files
-#---------------------------------------------------------------------------
-INPUT                  = $(DOXYGEN_SRC_PATH)/dev/rt/ \
-                         $(NOTREVIEWED)
-
-GENERATE_TAGFILE       = dev_rt/dev_rt.tag
-
-@INCLUDE_PATH          = $(DOXYGEN_INCLUDE_PATH)
-@INCLUDE               = common-Doxyfile
-