diff --git a/test/simulation/106-refclock b/test/simulation/106-refclock
index 5c5794c..c4cec20 100755
--- a/test/simulation/106-refclock
+++ b/test/simulation/106-refclock
@@ -3,6 +3,10 @@
 . ./test.common
 test_start "SHM refclock"
 
+check_config_h 'FEAT_REFCLOCK 1' || test_skip
+check_config_h 'FEAT_PHC 1' || test_skip
+check_config_h 'FEAT_CMDMON 1' || test_skip
+
 servers=0
 limit=1000
 refclock_jitter=$jitter
diff --git a/test/simulation/107-allowdeny b/test/simulation/107-allowdeny
index b11db32..3ab83ff 100755
--- a/test/simulation/107-allowdeny
+++ b/test/simulation/107-allowdeny
@@ -4,6 +4,8 @@
 
 test_start "allow/deny directives"
 
+check_config_h 'FEAT_CMDMON 1' || test_skip
+
 limit=500
 
 # Note that start_client in clknetsim.bash always adds allow to the config
diff --git a/test/simulation/110-chronyc b/test/simulation/110-chronyc
index 7fe5dcf..5736ae4 100755
--- a/test/simulation/110-chronyc
+++ b/test/simulation/110-chronyc
@@ -4,6 +4,9 @@
 
 test_start "chronyc"
 
+check_config_h 'FEAT_REFCLOCK 1' || test_skip
+check_config_h 'FEAT_CMDMON 1' || test_skip
+
 refclock_jitter=$jitter
 client_conf="
 refclock SHM 0 noselect
diff --git a/test/simulation/112-port b/test/simulation/112-port
index e983757..a8efabd 100755
--- a/test/simulation/112-port
+++ b/test/simulation/112-port
@@ -4,6 +4,8 @@
 
 test_start "port and acquisitionport directives"
 
+check_config_h 'FEAT_CMDMON 1' || test_skip
+
 run_test || test_fail
 check_chronyd_exit || test_fail
 check_source_selection || test_fail
diff --git a/test/simulation/113-leapsecond b/test/simulation/113-leapsecond
index 5b9758f..2fb81b8 100755
--- a/test/simulation/113-leapsecond
+++ b/test/simulation/113-leapsecond
@@ -1,8 +1,11 @@
 #!/bin/bash
 
 . ./test.common
+
 test_start "leap second"
 
+check_config_h 'FEAT_REFCLOCK 1' || test_skip
+
 export CLKNETSIM_START_DATE=$(TZ=UTC date -d 'Dec 30 2008 0:00:00' +'%s')
 
 leap=$[2 * 24 * 3600]
diff --git a/test/simulation/115-cmdmontime b/test/simulation/115-cmdmontime
index ada08da..732decd 100755
--- a/test/simulation/115-cmdmontime
+++ b/test/simulation/115-cmdmontime
@@ -6,6 +6,7 @@ test_start "cmdmon timestamps"
 
 # The following tests need 64-bit time_t
 check_config_h 'HAVE_LONG_TIME_T 1' || test_skip
+check_config_h 'FEAT_CMDMON 1' || test_skip
 
 limit=2
 client_server_options="noselect"
diff --git a/test/simulation/119-smoothtime b/test/simulation/119-smoothtime
index 6b4ae39..3f90715 100755
--- a/test/simulation/119-smoothtime
+++ b/test/simulation/119-smoothtime
@@ -1,8 +1,11 @@
 #!/bin/bash
 
 . ./test.common
+
 test_start "smoothtime option"
 
+check_config_h 'FEAT_REFCLOCK 1' || test_skip
+
 server_strata=2
 server_conf="smoothtime 400 0.001"
 server_server_options="minpoll 8"
diff --git a/test/simulation/121-orphan b/test/simulation/121-orphan
index 1b47f76..bbebc9d 100755
--- a/test/simulation/121-orphan
+++ b/test/simulation/121-orphan
@@ -4,6 +4,8 @@
 
 test_start "orphan option"
 
+check_config_h 'FEAT_CMDMON 1' || test_skip
+
 server_strata=3
 server_conf="local stratum 5 orphan
 server 192.168.123.1
diff --git a/test/simulation/124-tai b/test/simulation/124-tai
index b5be030..d41d29d 100755
--- a/test/simulation/124-tai
+++ b/test/simulation/124-tai
@@ -1,8 +1,11 @@
 #!/bin/bash
 
 . ./test.common
+
 test_start "tai option"
 
+check_config_h 'FEAT_REFCLOCK 1' || test_skip
+
 export CLKNETSIM_START_DATE=$(TZ=UTC date -d 'Dec 31 2008 23:50:00' +'%s')
 
 leap=$[10 * 60]
diff --git a/test/simulation/128-nocontrol b/test/simulation/128-nocontrol
index 0a98cd7..cca82f4 100755
--- a/test/simulation/128-nocontrol
+++ b/test/simulation/128-nocontrol
@@ -4,6 +4,8 @@
 
 test_start "-x option"
 
+check_config_h 'FEAT_CMDMON 1' || test_skip
+
 wander=0.0
 time_offset=0.0
 freq_offset=0.0
diff --git a/test/simulation/133-hwtimestamp b/test/simulation/133-hwtimestamp
index 4939f7d..113ea69 100755
--- a/test/simulation/133-hwtimestamp
+++ b/test/simulation/133-hwtimestamp
@@ -4,6 +4,8 @@
 
 test_start "hwtimestamp directive"
 
+check_config_h 'HAVE_LINUX_TIMESTAMPING 1' || test_skip
+
 export CLKNETSIM_TIMESTAMPING=2
 
 refclock_jitter=1e-8
diff --git a/test/simulation/134-log b/test/simulation/134-log
index f5293c4..0a6ef76 100755
--- a/test/simulation/134-log
+++ b/test/simulation/134-log
@@ -1,8 +1,11 @@
 #!/bin/bash
 
 . ./test.common
+
 test_start "log directive"
 
+check_config_h 'FEAT_PHC 1' || test_skip
+
 refclock_jitter=$jitter
 client_server_options="maxpoll 6"
 client_conf="refclock PHC /dev/ptp0 dpoll 4 poll 6 noselect
diff --git a/test/simulation/test.common b/test/simulation/test.common
index 81e9ed6..951a794 100644
--- a/test/simulation/test.common
+++ b/test/simulation/test.common
@@ -84,6 +84,8 @@ done
 test_start() {
 	rm -f tmp/*
 	echo "Testing $@:"
+
+	check_config_h 'FEAT_NTP 1' || test_skip
 }
 
 test_pass() {
diff --git a/test/unit/ntp_core.c b/test/unit/ntp_core.c
index 5e519e5..c977a78 100644
--- a/test/unit/ntp_core.c
+++ b/test/unit/ntp_core.c
@@ -28,6 +28,8 @@
 #include <local.h>
 #include "test.h"
 
+#ifdef FEAT_NTP
+
 static struct timespec current_time;
 static NTP_Receive_Buffer req_buffer, res_buffer;
 static int req_length, res_length;
@@ -475,3 +477,11 @@ test_unit(void)
   CNF_Finalise();
   HSH_Finalise();
 }
+
+#else
+void
+test_unit(void)
+{
+  TEST_REQUIRE(0);
+}
+#endif
diff --git a/test/unit/ntp_sources.c b/test/unit/ntp_sources.c
index ea8f19c..f13852e 100644
--- a/test/unit/ntp_sources.c
+++ b/test/unit/ntp_sources.c
@@ -18,10 +18,14 @@
  **********************************************************************
  */
 
+#include <config.h>
+#include "test.h"
+
+#ifdef FEAT_NTP
+
 #include <ntp_sources.c>
 #include <conf.h>
 #include <ntp_io.h>
-#include "test.h"
 
 void
 test_unit(void)
@@ -98,3 +102,11 @@ test_unit(void)
   CNF_Finalise();
   HSH_Finalise();
 }
+
+#else
+void
+test_unit(void)
+{
+  TEST_REQUIRE(0);
+}
+#endif