diff --git a/ObsoleteFiles.inc b/ObsoleteFiles.inc
--- a/ObsoleteFiles.inc
+++ b/ObsoleteFiles.inc
@@ -52,6 +52,15 @@
 #   xargs -n1 | sort | uniq -d;
 # done
 
+# 20230418: iwlwifi/rtw88 man pages restricted to supported archs.
+.if ${TARGET_ARCH} != "i386" && ${TARGET_ARCH} != "amd64" && \
+    ${TARGET_ARCH} != "aarch64"
+OLD_FILES+=usr/share/man/man4/iwlwifi.4.gz
+OLD_FILES+=usr/share/man/man4/iwlwififw.4.gz
+OLD_FILES+=usr/share/man/man4/rtw88.4.gz
+OLD_FILES+=usr/share/man/man4/rtw88fw.4.gz
+.endif
+
 # 20230329: libcasper libraries moved to /lib
 MOVED_LIBS+=lib/casper/libcap_dns.so.2
 MOVED_LIBS+=lib/casper/libcap_fileargs.so.1
diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -258,8 +258,8 @@
 	iwmfw.4 \
 	iwn.4 \
 	iwnfw.4 \
-	iwlwifi.4 \
-	iwlwififw.4 \
+	${_iwlwifi.4} \
+	${_iwlwififw.4} \
 	ixgbe.4 \
 	ixl.4 \
 	jedec_dimm.4 \
@@ -469,8 +469,8 @@
 	route.4 \
 	rtnetlink.4 \
 	rtsx.4 \
-	rtw88.4 \
-	rtw88fw.4 \
+	${_rtw88.4} \
+	${_rtw88fw.4} \
 	rtwn.4 \
 	rtwnfw.4 \
 	rtwn_pci.4 \
@@ -890,8 +890,12 @@
 .if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" || \
 	 ${MACHINE_CPUARCH} == "aarch64"
 _ipmi.4=	ipmi.4
+_iwlwifi.4=	iwlwifi.4
+_iwlwififw.4=	iwlwififw.4
 _linux.4=	linux.4
 _ossl.4=	ossl.4
+_rtw88.4=	rtw88.4
+_rtw88fw.4=	rtw88fw.4
 .endif
 
 .if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "aarch64" || \