diff --git a/samples/net/zoap_server/Makefile b/samples/net/zoap_server/Makefile
index c0a8aca63f1..c9f8087bb49 100644
--- a/samples/net/zoap_server/Makefile
+++ b/samples/net/zoap_server/Makefile
@@ -16,7 +16,6 @@
 # limitations under the License.
 #
 
-MDEF_FILE = prj.mdef
 BOARD = qemu_x86
 CONF_FILE = prj.conf
 
diff --git a/samples/net/zoap_server/prj.conf b/samples/net/zoap_server/prj.conf
index 2725b86b570..3dee9eae6f5 100644
--- a/samples/net/zoap_server/prj.conf
+++ b/samples/net/zoap_server/prj.conf
@@ -1,4 +1,3 @@
-CONFIG_NANOKERNEL=y
 CONFIG_NANO_TIMEOUTS=y
 CONFIG_NETWORKING=y
 CONFIG_NET_IPV6=y
@@ -7,7 +6,6 @@ CONFIG_NET_SLIP=y
 CONFIG_NET_UDP=y
 CONFIG_NET_YAIP=y
 CONFIG_SLIP_TAP=y
-CONFIG_SYSTEM_WORKQUEUE=y
 CONFIG_SYS_LOG=y
 CONFIG_SYS_LOG_SHOW_COLOR=y
 CONFIG_TEST_RANDOM_GENERATOR=y
diff --git a/samples/net/zoap_server/prj.mdef b/samples/net/zoap_server/prj.mdef
deleted file mode 100644
index 159a84a3df6..00000000000
--- a/samples/net/zoap_server/prj.mdef
+++ /dev/null
@@ -1,5 +0,0 @@
-% Application       : zoap server
-
-% TASK NAME         PRIO ENTRY           STACK GROUPS
-% ===================================================
-  TASK MAIN            7 main            2048 [EXE]