diff --git a/lib_xua/src/hid/hid.xc b/lib_xua/src/hid/hid.xc
index ee8b6ae9..0f506d59 100644
--- a/lib_xua/src/hid/hid.xc
+++ b/lib_xua/src/hid/hid.xc
@@ -10,7 +10,7 @@
 #include "xua_hid_report.h"
 
 #define DEBUG_UNIT HID_XC
-#define DEBUG_PRINT_ENABLE_HID_XC 1
+#define DEBUG_PRINT_ENABLE_HID_XC 0
 #include "debug_print.h"
 
 #if( 0 < HID_CONTROLS )
diff --git a/module_locks/README.rst b/module_locks/README.rst
new file mode 100644
index 00000000..ecde319a
--- /dev/null
+++ b/module_locks/README.rst
@@ -0,0 +1,7 @@
+module_locks Readme
+===================
+
+:scope: Dummy module
+:description: Allows compiling legacy_tests in lib_xua with lib_locks. sc_i2c is used in the tests and it requires module_locks from sc_util, but the definitions in sc_utils conflict with the ones in lib_locks.
+:keywords: dummy
+:boards: XMOS Dev Kit
diff --git a/module_locks/module_build_info b/module_locks/module_build_info
new file mode 100644
index 00000000..d90ffd43
--- /dev/null
+++ b/module_locks/module_build_info
@@ -0,0 +1 @@
+# Dummy module used in legacy_tests. See README.rst for more details.