diff --git a/Documentation/Makefile b/Documentation/Makefile
index 14286cb657..030e2c8433 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -65,12 +65,6 @@ endif
 -include ../config.mak.autogen
 -include ../config.mak
 
-#
-# For asciidoc ...
-#	-7.1.2,	set ASCIIDOC7
-#	8.0-,	no extra settings are needed
-#
-
 #
 # For docbook-xsl ...
 #	-1.68.1,	no extra settings are needed?
@@ -81,9 +75,6 @@ endif
 #	1.73.0-,	no extra settings are needed
 #
 
-ifndef ASCIIDOC7
-ASCIIDOC_EXTRA += -a asciidoc7compatible
-endif
 ifdef DOCBOOK_XSL_172
 ASCIIDOC_EXTRA += -a git-asciidoc-no-roff
 MANPAGE_XSL = manpage-1.72.xsl
diff --git a/Makefile b/Makefile
index 96ebcf9830..55943a9982 100644
--- a/Makefile
+++ b/Makefile
@@ -203,8 +203,6 @@ all::
 # Define NO_ST_BLOCKS_IN_STRUCT_STAT if your platform does not have st_blocks
 # field that counts the on-disk footprint in 512-byte blocks.
 #
-# Define ASCIIDOC7 if you want to format documentation with AsciiDoc 7
-#
 # Define DOCBOOK_XSL_172 if you want to format man pages with DocBook XSL v1.72
 # (not v1.73 or v1.71).
 #
@@ -1834,10 +1832,6 @@ ifndef V
 endif
 endif
 
-ifdef ASCIIDOC7
-	export ASCIIDOC7
-endif
-
 ifdef NO_INSTALL_HARDLINKS
 	export NO_INSTALL_HARDLINKS
 endif
diff --git a/config.mak.in b/config.mak.in
index b2ba7104eb..802d34223a 100644
--- a/config.mak.in
+++ b/config.mak.in
@@ -28,7 +28,6 @@ VPATH = @srcdir@
 export exec_prefix mandir
 export srcdir VPATH
 
-ASCIIDOC7=@ASCIIDOC7@
 NEEDS_SSL_WITH_CRYPTO=@NEEDS_SSL_WITH_CRYPTO@
 NO_OPENSSL=@NO_OPENSSL@
 NO_CURL=@NO_CURL@
diff --git a/configure.ac b/configure.ac
index e1255506a6..4e9012f49b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -437,21 +437,14 @@ if test -n "$ASCIIDOC"; then
 	AC_MSG_CHECKING([for asciidoc version])
 	asciidoc_version=`$ASCIIDOC --version 2>/dev/null`
 	case "${asciidoc_version}" in
-	asciidoc' '7*)
-		ASCIIDOC7=YesPlease
-		AC_MSG_RESULT([${asciidoc_version} > 7])
-		;;
 	asciidoc' '8*)
-		ASCIIDOC7=
 		AC_MSG_RESULT([${asciidoc_version}])
 		;;
 	*)
-		ASCIIDOC7=
 		AC_MSG_RESULT([${asciidoc_version} (unknown)])
 		;;
 	esac
 fi
-AC_SUBST(ASCIIDOC7)
 
 
 ## Checks for libraries.