diff --git a/services/keyboard/src/main.rs b/services/keyboard/src/main.rs
index 5de73cac0..5ab413ffe 100644
--- a/services/keyboard/src/main.rs
+++ b/services/keyboard/src/main.rs
@@ -741,8 +741,10 @@ fn main() -> ! {
     //  - status sub system (for setting the layout, autobacklight feature)
     //  - USB (for getting layout)
     //  - Preference manager
-    #[cfg(any(feature="precursor", feature="renode"))]
+    #[cfg(all(any(feature="precursor", feature="renode"), not(feature="utralib/precursor-2753c12-dvt")))]
     let kbd_sid = xns.register_name(api::SERVER_NAME_KBD, Some(5)).expect("can't register server");
+    #[cfg(all(any(feature="precursor", feature="renode"), feature="utralib/precursor-2753c12-dvt"))] // dvt build has less in it
+    let kbd_sid = xns.register_name(api::SERVER_NAME_KBD, Some(4)).expect("can't register server");
     #[cfg(not(target_os = "xous"))]
     let kbd_sid = xns.register_name(api::SERVER_NAME_KBD, Some(5)).expect("can't register server");
     log::trace!("registered with NS -- {:?}", kbd_sid);
diff --git a/services/llio/src/main.rs b/services/llio/src/main.rs
index 0494f8ffb..e7fb0e11b 100644
--- a/services/llio/src/main.rs
+++ b/services/llio/src/main.rs
@@ -125,8 +125,10 @@ fn main() -> ! {
     // - time server
     // - llio
     // I2C can be used to set time, which can have security implications; we are more strict on counting who can have access to this resource.
-    #[cfg(any(feature="precursor", feature="renode"))]
+    #[cfg(all(any(feature="precursor", feature="renode"), not(feature="utralib/precursor-2753c12-dvt")))]
     let i2c_sid = xns.register_name(api::SERVER_NAME_I2C, Some(3)).expect("can't register I2C thread");
+    #[cfg(all(any(feature="precursor", feature="renode"), feature="utralib/precursor-2753c12-dvt"))] // dvt build has less in it
+    let i2c_sid = xns.register_name(api::SERVER_NAME_I2C, Some(2)).expect("can't register I2C thread");
     #[cfg(not(target_os = "xous"))]
     let i2c_sid = xns.register_name(api::SERVER_NAME_I2C, Some(1)).expect("can't register I2C thread");
     log::trace!("registered I2C thread with NS -- {:?}", i2c_sid);