Index: Makefile.inc1
===================================================================
--- Makefile.inc1
+++ Makefile.inc1
@@ -145,11 +145,9 @@
 CLEANDIR=	cleandir
 .endif
 
-# FAST_DEPEND can skip depend tree-walks.
-.if ${MK_FAST_DEPEND} == "yes"
+# Depend walks are no longer needed with the "FAST_DEPEND" changes.
 NO_DEPEND=	t
 NO_KERNELDEPEND=t
-.endif
 # Ensure shell checks later have a value.
 .if defined(NO_DEPEND)
 NO_DEPEND=	t
@@ -406,7 +404,6 @@
 .endif
 .endfor
 CROSSENV+=	CC="${XCC} ${XCFLAGS}" CXX="${XCXX} ${XCFLAGS} ${XCXXFLAGS}" \
-		DEPFLAGS="${DEPFLAGS}" \
 		CPP="${XCPP} ${XCFLAGS}" \
 		AS="${XAS}" AR="${XAR}" LD="${XLD}" NM=${XNM} \
 		OBJDUMP=${XOBJDUMP} OBJCOPY="${XOBJCOPY}" \
@@ -444,10 +441,6 @@
 # Force using libc++ for external GCC.
 XCXXFLAGS+=	-isystem ${WORLDTMP}/usr/include/c++/v1 -std=c++11 \
 		-nostdinc++ -L${WORLDTMP}/../lib/libc++
-# XXX: DEPFLAGS is a workaround for not properly passing CXXFLAGS to sub-makes
-# due to CXX="${XCXX} ${XCXXFLAGS}".  bsd.dep.mk does use CXXFLAGS when
-# building C++ files so this can come out if passing CXXFLAGS down is fixed.
-DEPFLAGS+=	-I${WORLDTMP}/usr/include/c++/v1
 .elif ${TARGET_ARCH} != ${MACHINE_ARCH}
 TARGET_ABI?=	unknown
 TARGET_TRIPLE?=	${TARGET_ARCH:C/amd64/x86_64/}-${TARGET_ABI}-freebsd11.0
Index: gnu/lib/csu/Makefile
===================================================================
--- gnu/lib/csu/Makefile
+++ gnu/lib/csu/Makefile
@@ -22,7 +22,6 @@
 CFLAGS+=	-I${GCCLIB}/include -I${GCCDIR}/config -I${GCCDIR} -I. \
 		-I${CCDIR}/cc_tools
 CRTS_CFLAGS=	-DCRTSTUFFS_O -DSHARED ${PICFLAG}
-MKDEP=		-DCRT_BEGIN
 
 .if ${TARGET_CPUARCH} == "arm"
 CFLAGS+=	-DTARGET_ARM_EABI
Index: share/mk/bsd.clang-analyze.mk
===================================================================
--- share/mk/bsd.clang-analyze.mk
+++ share/mk/bsd.clang-analyze.mk
@@ -85,10 +85,7 @@
 ${__obj}: ${OBJS_DEPEND_GUESS.${__obj}}
 .endfor
 
-.if ${MK_FAST_DEPEND} == "yes"
-beforeanalyze: depend
-.endif
-beforeanalyze: .PHONY
+beforeanalyze: depend .PHONY
 .if !defined(_RECURSING_PROGS) && !empty(CLANG_ANALYZE_SRCS) && \
     ${CLANG_ANALYZE_OUTPUT} != "text"
 	mkdir -p ${CLANG_ANALYZE_OUTPUT_DIR}
Index: share/mk/bsd.dep.mk
===================================================================
--- share/mk/bsd.dep.mk
+++ share/mk/bsd.dep.mk
@@ -20,10 +20,6 @@
 #
 # HTAGSFLAGS	Options for htags(1) [not set]
 #
-# MKDEP		Options for ${MKDEPCMD} [not set]
-#
-# MKDEPCMD	Makefile dependency list program [mkdep]
-#
 # SRCS          List of source files (c, c++, assembler)
 #
 # DPSRCS	List of source files which are needed for generating
@@ -54,13 +50,6 @@
 GTAGSFLAGS?=	-o
 HTAGSFLAGS?=
 
-_MKDEPCC:=	${CC:N${CCACHE_BIN}}
-# XXX: DEPFLAGS can come out once Makefile.inc1 properly passes down
-# CXXFLAGS.
-.if !empty(DEPFLAGS)
-_MKDEPCC+=	${DEPFLAGS}
-.endif
-MKDEPCMD?=	CC='${_MKDEPCC}' mkdep
 .if ${MK_DIRDEPS_BUILD} == "no"
 .MAKE.DEPENDFILE= ${DEPENDFILE}
 .endif
@@ -95,9 +84,6 @@
 
 .for _S in ${SRCS:N*.[dhly]}
 OBJS_DEPEND_GUESS.${_S:R}.o=	${_S}
-.if ${MK_FAST_DEPEND} == "no" && !exists(${.OBJDIR}/${DEPENDFILE})
-${_S:R}.o: ${OBJS_DEPEND_GUESS.${_S:R}.o}
-.endif
 .endfor
 
 # Lexical analyzers
@@ -106,9 +92,6 @@
 ${_LC}: ${_LSRC}
 	${LEX} ${LFLAGS} -o${.TARGET} ${.ALLSRC}
 OBJS_DEPEND_GUESS.${_LC:R}.o=	${_LC}
-.if ${MK_FAST_DEPEND} == "no" && !exists(${.OBJDIR}/${DEPENDFILE})
-${_LC:R}.o: ${OBJS_DEPEND_GUESS.${_LC:R}.o}
-.endif
 SRCS:=	${SRCS:S/${_LSRC}/${_LC}/}
 CLEANFILES+= ${_LC}
 .endfor
@@ -138,9 +121,6 @@
 	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
 .endif
 OBJS_DEPEND_GUESS.${_YC:R}.o=	${_YC}
-.if ${MK_FAST_DEPEND} == "no" && !exists(${.OBJDIR}/${DEPENDFILE})
-${_YC:R}.o: ${OBJS_DEPEND_GUESS.${_YC:R}.o}
-.endif
 .endfor
 .endfor
 
@@ -175,7 +155,6 @@
 .if !empty(.MAKE.MODE:Mmeta) && empty(.MAKE.MODE:Mnofilemon)
 _meta_filemon=	1
 .endif
-.if ${MK_FAST_DEPEND} == "yes"
 .if ${MAKE_VERSION} < 20160220
 DEPEND_MP?=	-MP
 .endif
@@ -210,7 +189,6 @@
 .endfor
 .endif	# !defined(_SKIP_READ_DEPEND)
 .endif	# !defined(_meta_filemon)
-.endif	# ${MK_FAST_DEPEND} == "yes"
 .endif	# defined(SRCS)
 
 .if ${MK_DIRDEPS_BUILD} == "yes"
@@ -230,7 +208,6 @@
 # Guess some dependencies for when no ${DEPENDFILE}.OBJ is generated yet.
 # For meta+filemon the .meta file is checked for since it is the dependency
 # file used.
-.if ${MK_FAST_DEPEND} == "yes"
 .for __obj in ${DEPENDOBJS:O:u}
 .if (defined(_meta_filemon) && !exists(${.OBJDIR}/${__obj}.meta)) || \
     (!defined(_meta_filemon) && !exists(${.OBJDIR}/${DEPENDFILE}.${__obj}))
@@ -245,7 +222,6 @@
 .if ${MK_DIRDEPS_BUILD} == "no" || ${.MAKE.LEVEL} > 0
 beforebuild: depend
 .endif
-.endif	# ${MK_FAST_DEPEND} == "yes"
 
 .if !target(depend)
 .if defined(SRCS)
@@ -254,41 +230,14 @@
 # Tell bmake not to look for generated files via .PATH
 .NOPATH: ${DEPENDFILE} ${DEPENDFILES_OBJS}
 
-.if ${MK_FAST_DEPEND} == "no"
-# Capture -include from CFLAGS.
-# This could be simpler with bmake :tW but needs to support fmake for MFC.
-_CFLAGS_INCLUDES= ${CFLAGS:Q:S/\\ /,/g:C/-include,/-include%/g:C/,/ /g:M-include*:C/%/ /g}
-_CXXFLAGS_INCLUDES= ${CXXFLAGS:Q:S/\\ /,/g:C/-include,/-include%/g:C/,/ /g:M-include*:C/%/ /g}
-
-# Different types of sources are compiled with slightly different flags.
-# Split up the sources, and filter out headers and non-applicable flags.
-MKDEP_CFLAGS=	${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BIDU]*} ${CFLAGS:M-std=*} \
-		${CFLAGS:M-ansi} ${_CFLAGS_INCLUDES}
-MKDEP_CXXFLAGS=	${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BIDU]*} \
-		${CXXFLAGS:M-std=*} ${CXXFLAGS:M-ansi} ${CXXFLAGS:M-stdlib=*} \
-		${_CXXFLAGS_INCLUDES}
-.endif	# ${MK_FAST_DEPEND} == "no"
-
 DPSRCS+= ${SRCS}
-# FAST_DEPEND will only generate a .depend if _EXTRADEPEND is used but
-# the target is created to allow 'make depend' to generate files.
+# A .depend file will only be generated if there are commands in
+# beforedepend/_EXTRADEPEND/afterdepend.  The target is kept
+# to allow 'make depend' to generate files.
 ${DEPENDFILE}: ${DPSRCS}
 .if exists(${.OBJDIR}/${DEPENDFILE})
 	rm -f ${DEPENDFILE}
 .endif
-.if ${MK_FAST_DEPEND} == "no"
-.if !empty(DPSRCS:M*.[cS])
-	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
-	    ${MKDEP_CFLAGS} ${.ALLSRC:M*.[cS]}
-.endif
-.if !empty(DPSRCS:M*.cc) || !empty(DPSRCS:M*.C) || !empty(DPSRCS:M*.cpp) || \
-    !empty(DPSRCS:M*.cxx)
-	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
-	    ${MKDEP_CXXFLAGS} \
-	    ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
-.else
-.endif
-.endif	# ${MK_FAST_DEPEND} == "no"
 .if target(_EXTRADEPEND)
 _EXTRADEPEND: .USE
 ${DEPENDFILE}: _EXTRADEPEND
Index: share/mk/bsd.lib.mk
===================================================================
--- share/mk/bsd.lib.mk
+++ share/mk/bsd.lib.mk
@@ -289,12 +289,6 @@
 .endif
 
 _EXTRADEPEND:
-.if ${MK_FAST_DEPEND} == "no"
-	@TMP=_depend$$$$; \
-	sed -e 's/^\([^\.]*\).o[ ]*:/\1.o \1.po \1.So:/' < ${DEPENDFILE} \
-	    > $$TMP; \
-	mv $$TMP ${DEPENDFILE}
-.endif
 .if !defined(NO_EXTRADEPEND) && defined(SHLIB_NAME)
 .if defined(DPADD) && !empty(DPADD)
 	echo ${SHLIB_NAME_FULL}: ${DPADD} >> ${DEPENDFILE}
@@ -414,23 +408,6 @@
 .endif
 
 .include <bsd.dep.mk>
-
-.if ${MK_FAST_DEPEND} == "no" && !exists(${.OBJDIR}/${DEPENDFILE})
-.if defined(LIB) && !empty(LIB)
-${OBJS} ${STATICOBJS} ${POBJS}: ${OBJS_DEPEND_GUESS}
-.for _S in ${SRCS:N*.[hly]}
-${_S:R}.po: ${OBJS_DEPEND_GUESS.${_S:R}.po}
-.endfor
-.endif
-.if defined(SHLIB_NAME) || \
-    defined(INSTALL_PIC_ARCHIVE) && defined(LIB) && !empty(LIB)
-${SOBJS}: ${OBJS_DEPEND_GUESS}
-.for _S in ${SRCS:N*.[hly]}
-${_S:R}.So: ${OBJS_DEPEND_GUESS.${_S:R}.So}
-.endfor
-.endif
-.endif
-
 .include <bsd.clang-analyze.mk>
 .include <bsd.obj.mk>
 .include <bsd.sys.mk>
Index: share/mk/bsd.opts.mk
===================================================================
--- share/mk/bsd.opts.mk
+++ share/mk/bsd.opts.mk
@@ -52,7 +52,6 @@
     ASSERT_DEBUG \
     DEBUG_FILES \
     DOCCOMPRESS \
-    FAST_DEPEND \
     INCLUDES \
     INSTALLLIB \
     KERBEROS \
@@ -79,12 +78,6 @@
     STAGING_PROG/STAGING \
 
 
-# Enable FAST_DEPEND by default for the meta build.
-.if !empty(.MAKE.MODE:Mmeta)
-__DEFAULT_YES_OPTIONS+=	FAST_DEPEND
-__DEFAULT_NO_OPTIONS:=	${__DEFAULT_NO_OPTIONS:NFAST_DEPEND}
-.endif
-
 .include <bsd.mkopt.mk>
 
 #
Index: share/mk/bsd.prog.mk
===================================================================
--- share/mk/bsd.prog.mk
+++ share/mk/bsd.prog.mk
@@ -282,13 +282,6 @@
 .endif
 
 .include <bsd.dep.mk>
-
-.if defined(PROG)
-.if ${MK_FAST_DEPEND} == "no" && !exists(${.OBJDIR}/${DEPENDFILE})
-${OBJS}: ${OBJS_DEPEND_GUESS}
-.endif
-.endif
-
 .include <bsd.clang-analyze.mk>
 .include <bsd.obj.mk>
 .include <bsd.sys.mk>
Index: share/mk/local.meta.sys.mk
===================================================================
--- share/mk/local.meta.sys.mk
+++ share/mk/local.meta.sys.mk
@@ -6,7 +6,6 @@
 
 # we need this until there is an alternative
 MK_INSTALL_AS_USER= yes
-MK_FAST_DEPEND= yes
 
 _default_makeobjdir=$${.CURDIR:S,^$${SRCTOP},$${OBJTOP},}
 
Index: sys/conf/kern.opts.mk
===================================================================
--- sys/conf/kern.opts.mk
+++ sys/conf/kern.opts.mk
@@ -30,7 +30,6 @@
     CDDL \
     CRYPT \
     CUSE \
-    FAST_DEPEND \
     FORMAT_EXTENSIONS \
     INET \
     INET6 \
@@ -49,12 +48,6 @@
     NAND \
     OFED
 
-# Enable FAST_DEPEND by default for the meta build.
-.if !empty(.MAKE.MODE:Unormal:Mmeta)
-__DEFAULT_YES_OPTIONS+=	FAST_DEPEND
-__DEFAULT_NO_OPTIONS:=	${__DEFAULT_NO_OPTIONS:NFAST_DEPEND}
-.endif
-
 # Some options are totally broken on some architectures. We disable
 # them. If you need to enable them on an experimental basis, you
 # must change this code.
Index: sys/conf/kern.post.mk
===================================================================
--- sys/conf/kern.post.mk
+++ sys/conf/kern.post.mk
@@ -145,10 +145,6 @@
 
 OBJS_DEPEND_GUESS+=	assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} \
 			${MFILES:T:S/.m$/.h/}
-.if ${MK_FAST_DEPEND} == "no" && !exists(${.OBJDIR}/.depend)
-${SYSTEM_OBJS}: ${OBJS_DEPEND_GUESS}
-.endif
-
 LNFILES=	${CFILES:T:S/.c$/.ln/}
 
 .for mfile in ${MFILES}
@@ -189,23 +185,6 @@
 
 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
 
-# Normal files first
-CFILES_NORMAL=	${CFILES:N*/cddl/*:N*fs/nfsclient/nfs_clkdtrace*:N*/compat/linuxkpi/common/*:N*/ofed/*:N*/dev/mlx5/*}
-SFILES_NORMAL=	${SFILES:N*/cddl/*}
-
-# We have "special" -I include paths for zfs/dtrace files in 'depend'.
-CFILES_CDDL=	${CFILES:M*/cddl/*}
-SFILES_CDDL=	${SFILES:M*/cddl/*}
-
-# We have "special" -I include paths for LinuxKPI.
-CFILES_LINUXKPI=${CFILES:M*/compat/linuxkpi/common/*}
-
-# We have "special" -I include paths for OFED.
-CFILES_OFED=${CFILES:M*/ofed/*}
-
-# We have "special" -I include paths for MLX5.
-CFILES_MLX5=${CFILES:M*/dev/mlx5/*}
-
 # Skip reading .depend when not needed to speed up tree-walks
 # and simple lookups.
 .if !empty(.MAKEFLAGS:M-V${_V_READ_DEPEND}) || make(obj) || make(clean*) || \
@@ -216,9 +195,6 @@
 .endif
 
 kernel-depend: .depend
-# The argument list can be very long, so use make -V and xargs to
-# pass it to mkdep.
-_MKDEPCC:= ${CC:N${CCACHE_BIN}}
 SRCS=	assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
 	${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
 	${MFILES:T:S/.m$/.h/}
@@ -228,7 +204,6 @@
 .if !empty(.MAKE.MODE:Unormal:Mmeta) && empty(.MAKE.MODE:Unormal:Mnofilemon)
 _meta_filemon=	1
 .endif
-.if ${MK_FAST_DEPEND} == "yes"
 DEPENDOBJS+=	${SYSTEM_OBJS} genassym.o
 DEPENDFILES_OBJS=	${DEPENDOBJS:O:u:C/^/.depend./}
 .if ${MAKE_VERSION} < 20160220
@@ -261,12 +236,10 @@
 # all dependencies are correctly added or accounted for.  This is mostly to
 # ensure downstream uses of kernel-depend are handled.
 beforebuild: kernel-depend
-.endif	# ${MK_FAST_DEPEND} == "yes"
 
 # Guess some dependencies for when no ${DEPENDFILE}.OBJ is generated yet.
 # For meta+filemon the .meta file is checked for since it is the dependency
 # file used.
-.if ${MK_FAST_DEPEND} == "yes"
 .for __obj in ${DEPENDOBJS:O:u}
 .if (defined(_meta_filemon) && !exists(${.OBJDIR}/${__obj}.meta)) || \
     (!defined(_meta_filemon) && !exists(${.OBJDIR}/.depend.${__obj}))
@@ -276,32 +249,10 @@
 ${__obj}: ${OBJS_DEPEND_GUESS.${__obj}}
 .endif
 .endfor
-.endif
 
 .NOPATH: .depend ${DEPENDFILES_OBJS}
 
 .depend: .PRECIOUS ${SRCS}
-.if ${MK_FAST_DEPEND} == "no"
-	rm -f ${.TARGET}.tmp
-# C files
-	${MAKE} -V CFILES_NORMAL -V SYSTEM_CFILES -V GEN_CFILES | \
-	    CC="${_MKDEPCC}" xargs mkdep -a -f ${.TARGET}.tmp ${CFLAGS}
-	${MAKE} -V CFILES_CDDL | \
-	    CC="${_MKDEPCC}" xargs mkdep -a -f ${.TARGET}.tmp ${ZFS_CFLAGS} \
-	    ${FBT_CFLAGS} ${DTRACE_CFLAGS}
-	${MAKE} -V CFILES_LINUXKPI | \
-	    CC="${_MKDEPCC}" xargs mkdep -a -f ${.TARGET}.tmp \
-		${CFLAGS} ${LINUXKPI_INCLUDES}
-	${MAKE} -V CFILES_OFED -V CFILES_MLX5 | \
-	    CC="${_MKDEPCC}" xargs mkdep -a -f ${.TARGET}.tmp \
-		${CFLAGS} ${OFEDINCLUDES}
-# Assembly files
-	${MAKE} -V SFILES_NORMAL | \
-	    CC="${_MKDEPCC}" xargs mkdep -a -f ${.TARGET}.tmp ${ASM_CFLAGS}
-	${MAKE} -V SFILES_CDDL | \
-	    CC="${_MKDEPCC}" xargs mkdep -a -f ${.TARGET}.tmp ${ZFS_ASM_CFLAGS}
-	mv ${.TARGET}.tmp ${.TARGET}
-.endif
 
 _ILINKS= machine
 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
Index: sys/conf/kern.pre.mk
===================================================================
--- sys/conf/kern.pre.mk
+++ sys/conf/kern.pre.mk
@@ -64,29 +64,6 @@
 
 INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S
 
-.if ${MK_FAST_DEPEND} == "no" && (make(depend) || make(kernel-depend))
-
-# This hack lets us use the ipfilter code without spamming a new
-# include path into contrib'ed source files.
-INCLUDES+= -I$S/contrib/ipfilter
-
-# ... and the same for ath
-INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal -I$S/contrib/dev/ath/ath_hal
-
-# ... and the same for the NgATM stuff
-INCLUDES+= -I$S/contrib/ngatm
-
-# ... and the same for vchiq
-INCLUDES+= -I$S/contrib/vchiq
-
-# ... and the same for twa
-INCLUDES+= -I$S/dev/twa
-
-# ... and the same for cxgb and cxgbe
-INCLUDES+= -I$S/dev/cxgb -I$S/dev/cxgbe
-
-.endif
-
 CFLAGS=	${COPTFLAGS} ${DEBUG}
 CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
 CFLAGS_PARAM_INLINE_UNIT_GROWTH?=100
Index: sys/conf/kmod.mk
===================================================================
--- sys/conf/kmod.mk
+++ sys/conf/kmod.mk
@@ -458,11 +458,6 @@
 OBJS_DEPEND_GUESS+= ${SRCS:M*.h}
 
 .include <bsd.dep.mk>
-
-.if ${MK_FAST_DEPEND} == "no" && !exists(${.OBJDIR}/${DEPENDFILE})
-${OBJS}: ${OBJS_DEPEND_GUESS}
-.endif
-
 .include <bsd.clang-analyze.mk>
 .include <bsd.obj.mk>
 .include "kern.mk"
Index: sys/modules/pflog/Makefile
===================================================================
--- sys/modules/pflog/Makefile
+++ sys/modules/pflog/Makefile
@@ -7,14 +7,11 @@
 	opt_pf.h opt_inet.h opt_inet6.h opt_bpf.h
 SRCS+=	bus_if.h device_if.h
 
-.if defined(KERNBUILDDIR)
-MKDEP+=		-include ${KERNBUILDDIR}/opt_global.h
-.else
+.if !defined(KERNBUILDDIR)
 .if defined(VIMAGE)
 opt_global.h:
 	echo "#define VIMAGE 1" >> ${.TARGET}
 CFLAGS+=	-include opt_global.h
-MKDEP+=		-include opt_global.h
 .endif
 .endif
 
Index: sys/modules/pfsync/Makefile
===================================================================
--- sys/modules/pfsync/Makefile
+++ sys/modules/pfsync/Makefile
@@ -7,14 +7,11 @@
 	opt_pf.h opt_inet.h opt_inet6.h
 SRCS+=	bus_if.h device_if.h
 
-.if defined(KERNBUILDDIR)
-MKDEP+=		-include ${KERNBUILDDIR}/opt_global.h
-.else
+.if !defined(KERNBUILDDIR)
 .if defined(VIMAGE)
 opt_global.h:
 	echo "#define VIMAGE 1" >> ${.TARGET}
 CFLAGS+=	-include opt_global.h
-MKDEP+=		-include opt_global.h
 .endif
 .endif
 
Index: sys/modules/wtap/Makefile
===================================================================
--- sys/modules/wtap/Makefile
+++ sys/modules/wtap/Makefile
@@ -16,11 +16,8 @@
 
 SRCS	+= opt_global.h
 
-.if defined(KERNBUILDDIR)
-MKDEP=          -include ${KERNBUILDDIR}/opt_global.h
-.else
+.if !defined(KERNBUILDDIR)
 CFLAGS+=        -include opt_global.h
-MKDEP=          -include opt_global.h
 
 opt_global.h:
 	echo "#define VIMAGE 1" > ${.TARGET}
Index: tools/build/options/WITHOUT_FAST_DEPEND
===================================================================
--- tools/build/options/WITHOUT_FAST_DEPEND
+++ /dev/null
@@ -1,5 +0,0 @@
-.\" $FreeBSD$
-Set to use the historical
-.Xr mkdep 1
-for the "make depend" phase of the build.
-This option is deprecated and will be removed soon.
Index: tools/build/options/WITH_FAST_DEPEND
===================================================================
--- tools/build/options/WITH_FAST_DEPEND
+++ /dev/null
@@ -1,7 +0,0 @@
-.\" $FreeBSD$
-Set to generate
-.Sy .depend
-files in the build during compilation instead of the
-historial
-.Xr mkdep 1
-call during the "make depend" phase.