diff --git a/control_plane/src/pageserver.rs b/control_plane/src/pageserver.rs
index 29314dab9e..5ac3f85acd 100644
--- a/control_plane/src/pageserver.rs
+++ b/control_plane/src/pageserver.rs
@@ -141,6 +141,8 @@ impl PageServerNode {
             overrides.push(format!("ssl_ca_file='{}'", ssl_ca_file.to_str().unwrap()));
         }
 
+        overrides.push("dev_mode=true".to_owned());
+
         // Apply the user-provided overrides
         overrides.push({
             let mut doc =
diff --git a/control_plane/src/safekeeper.rs b/control_plane/src/safekeeper.rs
index eec2c997e6..25274d09d8 100644
--- a/control_plane/src/safekeeper.rs
+++ b/control_plane/src/safekeeper.rs
@@ -173,6 +173,7 @@ impl SafekeeperNode {
             listen_http,
             "--availability-zone".to_owned(),
             availability_zone,
+            "--dev".to_owned(),
         ];
         if let Some(pg_tenant_only_port) = self.conf.pg_tenant_only_port {
             let listen_pg_tenant_only = format!("{}:{}", self.listen_addr, pg_tenant_only_port);
diff --git a/docker-compose/docker-compose.yml b/docker-compose/docker-compose.yml
index fd3ad1fffc..a64909b134 100644
--- a/docker-compose/docker-compose.yml
+++ b/docker-compose/docker-compose.yml
@@ -65,6 +65,7 @@ services:
                     --id=$$SAFEKEEPER_ID
                     --broker-endpoint=$$BROKER_ENDPOINT
                     -D /data
+                    --dev
                     --remote-storage=\"{endpoint='http://minio:9000',
                                         bucket_name='neon',
                                         bucket_region='eu-north-1',
@@ -95,6 +96,7 @@ services:
                     --id=$$SAFEKEEPER_ID
                     --broker-endpoint=$$BROKER_ENDPOINT
                     -D /data
+                    --dev
                     --remote-storage=\"{endpoint='http://minio:9000',
                                         bucket_name='neon',
                                         bucket_region='eu-north-1',
@@ -125,6 +127,7 @@ services:
                     --id=$$SAFEKEEPER_ID
                     --broker-endpoint=$$BROKER_ENDPOINT
                     -D /data
+                    --dev
                     --remote-storage=\"{endpoint='http://minio:9000',
                                         bucket_name='neon',
                                         bucket_region='eu-north-1',
diff --git a/docker-compose/pageserver_config/pageserver.toml b/docker-compose/pageserver_config/pageserver.toml
index 81445ed412..86b8e58332 100644
--- a/docker-compose/pageserver_config/pageserver.toml
+++ b/docker-compose/pageserver_config/pageserver.toml
@@ -6,3 +6,4 @@ remote_storage={ endpoint='http://minio:9000', bucket_name='neon', bucket_region
 control_plane_api='http://0.0.0.0:6666' # No storage controller in docker compose, specify a junk address
 control_plane_emergency_mode=true
 virtual_file_io_mode="buffered" # the CI runners where we run the docker compose tests have slow disks
+dev_mode=true
diff --git a/test_runner/fixtures/pageserver/allowed_errors.py b/test_runner/fixtures/pageserver/allowed_errors.py
index 9b564f0a60..9f11fd8d69 100755
--- a/test_runner/fixtures/pageserver/allowed_errors.py
+++ b/test_runner/fixtures/pageserver/allowed_errors.py
@@ -118,6 +118,8 @@ DEFAULT_PAGESERVER_ALLOWED_ERRORS = (
         if sys.platform != "linux"
         else []
     ),
+    # Tests run in dev mode
+    ".*Starting in dev mode.*",
 )