diff --git a/util/m5/README.md b/util/m5/README.md
index f1d9bece3c..cfa2fbd8f7 100644
--- a/util/m5/README.md
+++ b/util/m5/README.md
@@ -175,6 +175,7 @@ some other prefix corresponding to that host.
 ### SCons command line flags
 
 --debug-build: Compile with the -g option, and -O0.
+--no-test-xml: Exclude the test result XML files from the build.
 
 ## External dependency detection
 
diff --git a/util/m5/SConstruct b/util/m5/SConstruct
index 3a96103aea..64bb543e41 100644
--- a/util/m5/SConstruct
+++ b/util/m5/SConstruct
@@ -44,6 +44,8 @@ def abspath(d):
 
 AddOption('--debug-build', dest='debug_build', action='store_true',
           help='Build with debug info, and disable optimizations.')
+AddOption('--no-test-xml', dest='no_tests', action='store_true',
+          help='Omit test output xml files from the build.')
 
 # Universal settings.
 if GetOption('debug_build'):
@@ -85,7 +87,8 @@ def GTest(env, name, *srcs, **kwargs):
     need_qemu_to_run = 'HAVE_QEMU' in env;
 
     # If we can run this test...
-    if not need_qemu_to_run or env['HAVE_QEMU']:
+    if (not need_qemu_to_run or env['HAVE_QEMU']) \
+        and not GetOption('no_tests'):
         # An XML file which holds the results of the test.
         xml = Dir('test').Dir('result').File('%s.xml' % name)
         # The basic command line for the test.