diff --git a/llvm/utils/lit/lit/main.py b/llvm/utils/lit/lit/main.py
--- a/llvm/utils/lit/lit/main.py
+++ b/llvm/utils/lit/lit/main.py
@@ -80,9 +80,13 @@
                              'error.\n')
             sys.exit(2)
 
+    # When running multiple shards, don't include skipped tests in the xunit
+    # output since merging the files will result in duplicates.
+    tests_for_report = discovered_tests
     if opts.shard:
         (run, shards) = opts.shard
         selected_tests = filter_by_shard(selected_tests, run, shards, lit_config)
+        tests_for_report = selected_tests
         if not selected_tests:
             sys.stderr.write('warning: shard does not contain any tests.  '
                              'Consider decreasing the number of shards.\n')
@@ -102,7 +106,7 @@
     print_results(discovered_tests, elapsed, opts)
 
     for report in opts.reports:
-        report.write_results(discovered_tests, elapsed)
+        report.write_results(tests_for_report, elapsed)
 
     if lit_config.numErrors:
         sys.stderr.write('\n%d error(s) in tests\n' % lit_config.numErrors)
diff --git a/llvm/utils/lit/lit/reports.py b/llvm/utils/lit/lit/reports.py
--- a/llvm/utils/lit/lit/reports.py
+++ b/llvm/utils/lit/lit/reports.py
@@ -144,7 +144,7 @@
     def _get_skip_reason(self, test):
         code = test.result.code
         if code == lit.Test.EXCLUDED:
-            return 'Test not selected (--filter, --max-tests, --run-shard)'
+            return 'Test not selected (--filter, --max-tests)'
         if code == lit.Test.SKIPPED:
             return 'User interrupt'
 
diff --git a/llvm/utils/lit/tests/xunit-output.py b/llvm/utils/lit/tests/xunit-output.py
--- a/llvm/utils/lit/tests/xunit-output.py
+++ b/llvm/utils/lit/tests/xunit-output.py
@@ -14,7 +14,7 @@
 # CHECK-NEXT:   <failure><![CDATA[& < > ]]]]><![CDATA[> &"]]></failure>
 # CHECK-NEXT: </testcase>
 # CHECK-NEXT: <testcase classname="test-data.test-data" name="excluded.ini" time="{{[0-1]\.[0-9]+}}">
-# CHECK-NEXT:   <skipped message="Test not selected (--filter, --max-tests, --run-shard)"/>
+# CHECK-NEXT:   <skipped message="Test not selected (--filter, --max-tests)"/>
 # CHECK-NEXT: </testcase>
 # CHECK-NEXT: <testcase classname="test-data.test-data" name="missing_feature.ini" time="{{[0-1]\.[0-9]+}}">
 # CHECK-NEXT:   <skipped message="Missing required feature(s): dummy_feature"/>