diff --git a/Documentation/Makefile b/Documentation/Makefile
index 8fe829c..c7b805d 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -151,9 +151,7 @@
 
 #
 # For docbook-xsl ...
-#	-1.68.1,	no extra settings are needed?
-#	1.69.0,		set ASCIIDOC_ROFF?
-#	1.69.1-1.71.0,	set DOCBOOK_SUPPRESS_SP?
+#	-1.71.0,	not supported
 #	1.71.1,		set ASCIIDOC_ROFF?
 #	1.72.0,		set DOCBOOK_XSL_172.
 #	1.73.0-,	no extra settings are needed
@@ -172,9 +170,6 @@
 ifndef NO_MAN_BOLD_LITERAL
 XMLTO_EXTRA += -m manpage-bold-literal.xsl
 endif
-ifdef DOCBOOK_SUPPRESS_SP
-XMLTO_EXTRA += -m manpage-suppress-sp.xsl
-endif
 
 # Newer DocBook stylesheet emits warning cruft in the output when
 # this is not set, and if set it shows an absolute link.  Older
diff --git a/Documentation/manpage-suppress-sp.xsl b/Documentation/manpage-suppress-sp.xsl
deleted file mode 100644
index a63c763..0000000
--- a/Documentation/manpage-suppress-sp.xsl
+++ /dev/null
@@ -1,21 +0,0 @@
-<!-- manpage-suppress-sp.xsl:
-     special settings for manpages rendered from asciidoc+docbook
-     handles erroneous, inline .sp in manpage output of some
-     versions of docbook-xsl -->
-<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
-		version="1.0">
-
-<!-- attempt to work around spurious .sp at the tail of the line
-     that some versions of docbook stylesheets seem to add -->
-<xsl:template match="simpara">
-  <xsl:variable name="content">
-    <xsl:apply-templates/>
-  </xsl:variable>
-  <xsl:value-of select="normalize-space($content)"/>
-  <xsl:if test="not(ancestor::authorblurb) and
-                not(ancestor::personblurb)">
-    <xsl:text>&#10;&#10;</xsl:text>
-  </xsl:if>
-</xsl:template>
-
-</xsl:stylesheet>
diff --git a/INSTALL b/INSTALL
index 22c364f..7647ce1 100644
--- a/INSTALL
+++ b/INSTALL
@@ -206,6 +206,7 @@
    clone two separate git-htmldocs and git-manpages repositories next
    to the clone of git itself.
 
+   The minimum supported version of docbook-xsl is 1.71.1.
    It has been reported that docbook-xsl version 1.72 and 1.73 are
    buggy; 1.72 misformats manual pages for callouts, and 1.73 needs
    the patch in contrib/patches/docbook-xsl-manpages-charmap.patch