diff --git a/share/mk/src.opts.mk b/share/mk/src.opts.mk
--- a/share/mk/src.opts.mk
+++ b/share/mk/src.opts.mk
@@ -59,7 +59,6 @@
     ACPI \
     APM \
     AT \
-    ATM \
     AUDIT \
     AUTHPF \
     AUTOFS \
@@ -392,7 +391,6 @@
 .endif
 
 .if ${MK_NETGRAPH} == "no"
-MK_ATM:=	no
 MK_BLUETOOTH:=	no
 .endif
 
diff --git a/tools/build/options/WITHOUT_ATM b/tools/build/options/WITHOUT_ATM
deleted file mode 100644
--- a/tools/build/options/WITHOUT_ATM
+++ /dev/null
@@ -1,3 +0,0 @@
-.\" $FreeBSD$
-Do not build
-programs and libraries related to ATM networking.
diff --git a/tools/tools/nanobsd/dhcpd/common b/tools/tools/nanobsd/dhcpd/common
--- a/tools/tools/nanobsd/dhcpd/common
+++ b/tools/tools/nanobsd/dhcpd/common
@@ -101,7 +101,6 @@
 # NB: leave c++ enabled so devd can be built
 CONF_BUILD="
 WITHOUT_ACPI=true
-WITHOUT_ATM=true
 WITHOUT_AUDIT=true
 WITHOUT_BLUETOOTH=true
 WITHOUT_CALENDAR=true
diff --git a/tools/tools/nanobsd/embedded/common b/tools/tools/nanobsd/embedded/common
--- a/tools/tools/nanobsd/embedded/common
+++ b/tools/tools/nanobsd/embedded/common
@@ -132,7 +132,6 @@
 CONF_BUILD="
 LOCAL_XTOOL_DIRS=usr.bin/mkimg
 WITHOUT_ACPI=true
-WITHOUT_ATM=true
 WITHOUT_AUDIT=true
 WITHOUT_BLUETOOTH=true
 WITHOUT_CALENDAR=true