diff --git a/ion/src/shared/dummy/usb.cpp b/ion/src/shared/dummy/usb.cpp
index aad90aed5..0e7c52826 100644
--- a/ion/src/shared/dummy/usb.cpp
+++ b/ion/src/shared/dummy/usb.cpp
@@ -4,8 +4,18 @@ bool Ion::USB::isPlugged() {
   return false;
 }
 
+bool Ion::USB::isEnumerated() {
+  return false;
+}
+
 void Ion::USB::removeSoftDisconnect() {
 }
 
 void Ion::USB::DFU() {
 }
+
+void Ion::USB::enable() {
+}
+
+void Ion::USB::disable() {
+}