diff --git a/test/310_docker_restart_test.sh b/test/310_docker_restart_test.sh
index 5abfd774..24730696 100755
--- a/test/310_docker_restart_test.sh
+++ b/test/310_docker_restart_test.sh
@@ -8,18 +8,6 @@ check_attached() {
     done
 }
 
-wait_for_proxy() {
-    for i in $(seq 1 120); do
-        echo "Waiting for proxy to start"
-        if proxy docker_on $1 info > /dev/null 2>&1 ; then
-            return
-        fi
-        sleep 1
-    done
-    echo "Timed out waiting for proxy to start" >&2
-    exit 1
-}
-
 start_suite "Containers get same IP address on restart"
 
 weave_on $HOST1 launch-router
diff --git a/test/640_proxy_restart_reattaches_test.sh b/test/640_proxy_restart_reattaches_test.sh
index 4ea8e04b..17dbbc86 100755
--- a/test/640_proxy_restart_reattaches_test.sh
+++ b/test/640_proxy_restart_reattaches_test.sh
@@ -9,18 +9,6 @@ check_attached() {
     assert_dns_record $HOST1 c1 $NAME $C2
 }
 
-wait_for_proxy() {
-    for i in $(seq 1 120); do
-        echo "Waiting for proxy to start"
-        if proxy docker_on $1 info > /dev/null 2>&1 ; then
-            return
-        fi
-        sleep 1
-    done
-    echo "Timed out waiting for proxy to start" >&2
-    exit 1
-}
-
 N=50
 # Create and remove a lot of containers in a small subnet; the failure
 # mode is that this takes a long time as it has to wait for the old
diff --git a/test/config.sh b/test/config.sh
index 02ba5630..599194bb 100644
--- a/test/config.sh
+++ b/test/config.sh
@@ -171,6 +171,18 @@ proxy_start_container_with_dns() {
     proxy docker_on $host run "$@" -dt $DNS_IMAGE /bin/sh
 }
 
+wait_for_proxy() {
+    for i in $(seq 1 120); do
+        echo "Waiting for proxy to start"
+        if proxy docker_on $1 info > /dev/null 2>&1 ; then
+            return
+        fi
+        sleep 1
+    done
+    echo "Timed out waiting for proxy to start" >&2
+    exit 1
+}
+
 rm_containers() {
     host=$1
     shift