diff --git a/src/cmd/ksh93/README b/src/cmd/ksh93/README
index 567fbb86e..8ac8e10f5 100644
--- a/src/cmd/ksh93/README
+++ b/src/cmd/ksh93/README
@@ -59,7 +59,8 @@ The options have the following defaults and meanings:
     DEVFD            Use the more secure /dev/fd mechanism instead of FIFOs for
                      process substitutions. On by default on OSs with /dev/fd.
 
-    DYNAMIC      on  Dynamic loading of builtins. (Requires dlopen() interface.)
+    DYNAMIC      off Dynamic loading of builtins. Requires dlopen() interface
+                     and dynamic libshell, libdll and libast libraries.
 
     ECHOPRINT    off Make echo equivalent to print.
 
diff --git a/src/cmd/ksh93/SHOPT.sh b/src/cmd/ksh93/SHOPT.sh
index 1380de49c..e0cb0a8b2 100644
--- a/src/cmd/ksh93/SHOPT.sh
+++ b/src/cmd/ksh93/SHOPT.sh
@@ -15,7 +15,7 @@ SHOPT CMDLIB_HDR=  # '<cmdlist.h>'	# custom -lcmd list for path-bound builtins
 SHOPT CMDLIB_DIR=  # '"/opt/ast/bin"'	# virtual directory prefix for path-bound builtins
 SHOPT CRNL=				# accept MS Windows newlines (<cr><nl>) for <nl>
 SHOPT DEVFD=				# use /dev/fd instead of FIFOs for process substitutions
-SHOPT DYNAMIC=1				# dynamic loading for builtins
+SHOPT DYNAMIC=0				# dynamic loading for builtins
 SHOPT ECHOPRINT=			# make echo equivalent to print
 SHOPT EDPREDICT=0			# History pattern search menu (type #<pattern>, then ESC <number> TAB). Experimental.
 SHOPT ESH=1				# emacs/gmacs edit mode
diff --git a/src/cmd/ksh93/data/builtins.c b/src/cmd/ksh93/data/builtins.c
index 1db58a843..ac175f0b9 100644
--- a/src/cmd/ksh93/data/builtins.c
+++ b/src/cmd/ksh93/data/builtins.c
@@ -397,7 +397,7 @@ const char sh_optalias[] =
 ;
 
 const char sh_optbuiltin[] =
-"[-1c?\n@(#)$Id: builtin (AT&T Research) 2010-08-04 $\n]"
+"[-1c?\n@(#)$Id: builtin (ksh 93u+m) 2022-07-03 $\n]"
 "[--catalog?" SH_DICT "]"
 "[+NAME?builtin - add, delete, or display shell built-ins]"
 "[+DESCRIPTION?\bbuiltin\b can be used to add, delete, or display "
@@ -418,6 +418,7 @@ const char sh_optbuiltin[] =
     "the current list of built-ins, or just the special built-ins if \b-s\b "
     "is specified, on standard output. The full pathname for built-ins that "
     "are bound to pathnames are displayed.]"
+#if SHOPT_DYNAMIC
 "[+?Libraries containing built-ins can be specified with the \b-f\b "
     "option. If the library contains a function named \blib_init\b(), this "
     "function will be invoked with argument \b0\b when the library is "
@@ -426,20 +427,25 @@ const char sh_optbuiltin[] =
     "the C level function name.]"
 "[+?The C level function will be invoked with three arguments. The first "
     "two are the same as \bmain\b() and the third one is a pointer.]"
+#endif /* SHOPT_DYNAMIC */
 "[+?\bbuiltin\b cannot be invoked from a restricted shell.]"
 "[d?Deletes each of the specified built-ins. Special built-ins cannot be "
     "deleted.]"
-"[f]:[lib?On systems with dynamic linking, \alib\a names a shared "
-    "library to load and search for built-ins. Libraries are searched for "
-    "in \b../lib/ksh\b and \b../lib\b on \b$PATH\b and in system dependent "
-    "library directories. The system "
-    "dependent shared library prefix and/or suffix may be omitted. Once a "
+#if SHOPT_DYNAMIC
+"[f]:[lib?\alib\a names a shared library to load and search for built-ins. "
+    "Libraries are searched for in \b../lib/ksh\b and \b../lib\b on \b$PATH\b "
+    "and in system-dependent library directories. The system-dependent "
+    "shared library prefix and/or suffix may be omitted. Once a "
     "library is loaded, its symbols become available for the current and "
     "subsequent invocations of \bbuiltin\b. Multiple libraries can be "
     "specified with separate invocations of \bbuiltin\b. Libraries are "
     "searched in the reverse order in which they are specified.]"
 "[l?List the library base name, plugin YYYYMMDD version stamp, and full "
     "path for \b-f\b\alib\a on one line on the standard output.]"
+#else
+"[f]:[lib?Not supported.]"
+"[l?No effect.]"
+#endif /* SHOPT_DYNAMIC */
 "[s?Display only the special built-ins.]"
 "\n"
 "\n[pathname ...]\n"