diff --git a/tools/kerneldoc/subsys/Doxyfile-dev_drm b/tools/kerneldoc/subsys/Doxyfile-dev_drm
deleted file mode 100644
index 435113b66db1..000000000000
--- a/tools/kerneldoc/subsys/Doxyfile-dev_drm
+++ /dev/null
@@ -1,21 +0,0 @@
-# Doxyfile 1.5.2
-
-# $FreeBSD$
-
-#---------------------------------------------------------------------------
-# Project related configuration options
-#---------------------------------------------------------------------------
-PROJECT_NAME           = "FreeBSD kernel DRM device code"
-OUTPUT_DIRECTORY       = $(DOXYGEN_DEST_PATH)/dev_drm/
-EXTRACT_ALL            = YES    # for undocumented src, no warnings enabled
-#---------------------------------------------------------------------------
-# configuration options related to the input files
-#---------------------------------------------------------------------------
-INPUT                  = $(DOXYGEN_SRC_PATH)/dev/drm/ \
-                         $(NOTREVIEWED)
-
-GENERATE_TAGFILE       = dev_drm/dev_drm.tag
-
-@INCLUDE_PATH          = $(DOXYGEN_INCLUDE_PATH)
-@INCLUDE               = common-Doxyfile
-
diff --git a/tools/kerneldoc/subsys/Doxyfile-dev_drm2 b/tools/kerneldoc/subsys/Doxyfile-dev_drm2
deleted file mode 100644
index 832124359749..000000000000
--- a/tools/kerneldoc/subsys/Doxyfile-dev_drm2
+++ /dev/null
@@ -1,21 +0,0 @@
-# Doxyfile 1.5.2
-
-# $FreeBSD$
-
-#---------------------------------------------------------------------------
-# Project related configuration options
-#---------------------------------------------------------------------------
-PROJECT_NAME           = "FreeBSD kernel drm2 device code"
-OUTPUT_DIRECTORY       = $(DOXYGEN_DEST_PATH)/dev_drm2/
-EXTRACT_ALL            = YES    # for undocumented src, no warnings enabled
-#---------------------------------------------------------------------------
-# configuration options related to the input files
-#---------------------------------------------------------------------------
-INPUT                  = $(DOXYGEN_SRC_PATH)/dev/drm2/ \
-                         $(NOTREVIEWED)
-
-GENERATE_TAGFILE       = dev_drm2/dev_drm2.tag
-
-@INCLUDE_PATH          = $(DOXYGEN_INCLUDE_PATH)
-@INCLUDE               = common-Doxyfile
-