diff --git a/stdlib/dagger/engine/fs.cue b/stdlib/dagger/engine/fs.cue
deleted file mode 100644
index 1b40bc04..00000000
--- a/stdlib/dagger/engine/fs.cue
+++ /dev/null
@@ -1,11 +0,0 @@
-package engine
-
-// A reference to a filesystem tree.
-// For example:
-//  - The root filesystem of a container
-//  - A source code repository
-//  - A directory containing binary artifacts
-// Rule of thumb: if it fits in a tar archive, it fits in a #FS.
-#FS: {
-	_fs: id: string
-}
diff --git a/stdlib/dagger/engine/secret.cue b/stdlib/dagger/engine/secret.cue
deleted file mode 100644
index 3e1849e5..00000000
--- a/stdlib/dagger/engine/secret.cue
+++ /dev/null
@@ -1,11 +0,0 @@
-package engine
-
-// A reference to an external secret, for example:
-//  - A password
-//  - A SSH private key
-//  - An API token
-// Secrets are never merged in the Cue tree. They can only be used
-// by a special filesystem mount designed to minimize leak risk.
-#Secret: {
-	_secret: id: string
-}
diff --git a/stdlib/dagger/engine/service.cue b/stdlib/dagger/engine/service.cue
deleted file mode 100644
index a3ac204e..00000000
--- a/stdlib/dagger/engine/service.cue
+++ /dev/null
@@ -1,9 +0,0 @@
-package engine
-
-// A reference to a network service endpoint, for example:
-//  - A TCP or UDP port
-//  - A unix or npipe socket
-//  - An HTTPS endpoint
-#Service: {
-	_service: id: string
-}
diff --git a/stdlib/dagger/engine/types.cue b/stdlib/dagger/engine/types.cue
new file mode 100644
index 00000000..5a0a2c27
--- /dev/null
+++ b/stdlib/dagger/engine/types.cue
@@ -0,0 +1,29 @@
+package engine
+
+// A reference to a filesystem tree.
+// For example:
+//  - The root filesystem of a container
+//  - A source code repository
+//  - A directory containing binary artifacts
+// Rule of thumb: if it fits in a tar archive, it fits in a #FS.
+#FS: {
+	_fs: id: string
+}
+
+// A reference to an external secret, for example:
+//  - A password
+//  - A SSH private key
+//  - An API token
+// Secrets are never merged in the Cue tree. They can only be used
+// by a special filesystem mount designed to minimize leak risk.
+#Secret: {
+	_secret: id: string
+}
+
+// A reference to a network service endpoint, for example:
+//  - A TCP or UDP port
+//  - A unix or npipe socket
+//  - An HTTPS endpoint
+#Service: {
+	_service: id: string
+}