diff --git a/README.md b/README.md
index e6de44c..7a392df 100644
--- a/README.md
+++ b/README.md
@@ -57,5 +57,4 @@ Distributed & E2EE self-hosting.  The goal is to have nodes voluntarily join the
 5. Run the container with `docker-compose up -d`.  This will create two files, `host.key` and `host.csr`.
 6. Send the contents of the `host.csr` file and your chosen hostname to a cluster admin to sign.
 7. The signed certificate should go alongside the `host.csr` file and be called, `host.crt`.
-8. The admin should have also provided an IP address in CIDR notation (e.g. `10.10.100.99/24`).  Set that with the `NEBULA_IP` environment variable in the `docker-compose.yaml`.
-9. Start the container again and it should find the config and certificates and then connect to the existing cluster.
+8. Start the container again and it should find the config and certificates and then connect to the existing cluster.
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 64c9987..02b88e9 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -13,4 +13,3 @@ services:
       - /dev/net/tun
     environment:
       - TZ=Europe/London
-      - NEBULA_IP=10.10.100.x/24
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 252eb6d..304dca6 100644
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -28,10 +28,5 @@ if ! test -f ${DATA_DIR}/host.crt; then
 fi
 # -----------------------------------------------------------
 
-if test -z "${NEBULA_IP}" -o "${NEBULA_IP}" == '10.10.100.x/24'; then
-    echo 'You did not set a valid value for the environment variable NEBULA_IP'
-    exit 1
-fi
-
 # Run the platform-specific binary
 "${BIN_DIR}/nebula" -config ${DATA_DIR}/config.yaml