diff --git a/tools/src/cmd/cts/common/config.go b/tools/src/cmd/cts/common/config.go
index 3aa90d5b73..c37699bc26 100644
--- a/tools/src/cmd/cts/common/config.go
+++ b/tools/src/cmd/cts/common/config.go
@@ -53,10 +53,16 @@ type Config struct {
 	// Builders is a map of builder name (as displayed in the UI) to buildbucket
 	// builder information.
 	Builders map[string]buildbucket.Builder
-	// TagAliases is a list of tags which are treated as equivalent.
-	// For example, some GPUs are similar enough to be considered equivalent.
-	// See crbug.com/dawn/1387 for more information.
-	TagAliases [][]string
+	// Tags holds configuration data for cleaning result tags before processing
+	Tag struct {
+		// TagAliases is a list of tags which are treated as equivalent.
+		// For example, some GPUs are similar enough to be considered equivalent.
+		// See crbug.com/dawn/1387 for more information.
+		Aliases [][]string
+		// Remove holds tags that should be removed before processing.
+		// See crbug.com/dawn/1401 for more information.
+		Remove []string
+	}
 	// Sheets holds information about the Google Sheets document used for
 	// tracking CTS statistics.
 	Sheets struct {
diff --git a/tools/src/cmd/cts/common/results.go b/tools/src/cmd/cts/common/results.go
index f32111b525..e135e22138 100644
--- a/tools/src/cmd/cts/common/results.go
+++ b/tools/src/cmd/cts/common/results.go
@@ -112,7 +112,7 @@ func (r *ResultSource) GetResults(ctx context.Context, cfg Config, auth auth.Opt
 		if err != nil {
 			return nil, err
 		}
-		ps, err := gerrit.LatestPatchest(strconv.Itoa(ps.Change))
+		ps, err = gerrit.LatestPatchest(strconv.Itoa(ps.Change))
 		if err != nil {
 			err := fmt.Errorf("failed to find latest patchset of change %v: %w",
 				ps.Change, err)
@@ -220,12 +220,6 @@ func GetResults(
 			}
 		}
 
-		if fr := rpb.GetFailureReason(); fr != nil {
-			if strings.Contains(fr.GetPrimaryErrorMessage(), "asyncio.exceptions.TimeoutError") {
-				status = result.Slow
-			}
-		}
-
 		duration := rpb.GetDuration().AsDuration()
 		if status == result.Pass && duration > cfg.Test.SlowThreshold {
 			status = result.Slow
@@ -247,11 +241,8 @@ func GetResults(
 		return nil, err
 	}
 
-	// Expand any aliased tags
-	ExpandAliasedTags(cfg, results)
-
-	// Remove any duplicates from the results.
-	results = results.ReplaceDuplicates(result.Deduplicate)
+	// Expand aliased tags, remove specific tags
+	CleanTags(cfg, &results)
 
 	results.Sort()
 	return results, err
@@ -329,21 +320,38 @@ func MostRecentResultsForChange(
 	return nil, gerrit.Patchset{}, fmt.Errorf("no builds found for change %v", change)
 }
 
-// ExpandAliasedTags modifies each result so that tags which are found in
+// CleanTags modifies each result so that tags which are found in
 // cfg.TagAliases are expanded to include all the tag aliases.
-// This is bodge for crbug.com/dawn/1387.
-func ExpandAliasedTags(cfg Config, results result.List) {
-	// Build the result sets
-	sets := make([]result.Tags, len(cfg.TagAliases))
-	for i, l := range cfg.TagAliases {
-		sets[i] = result.NewTags(l...)
+// Tags in cfg.Tag.Remove are also removed.
+// Finally, duplicate results are removed by erring towards Failure.
+// See: crbug.com/dawn/1387, crbug.com/dawn/1401
+func CleanTags(cfg Config, results *result.List) {
+	remove := result.NewTags(cfg.Tag.Remove...)
+	aliases := make([]result.Tags, len(cfg.Tag.Aliases))
+	for i, l := range cfg.Tag.Aliases {
+		aliases[i] = result.NewTags(l...)
 	}
 	// Expand the result tags for the aliased tag sets
-	for _, r := range results {
-		for _, set := range sets {
+	for _, r := range *results {
+		for _, set := range aliases {
 			if r.Tags.ContainsAny(set) {
 				r.Tags.AddAll(set)
 			}
 		}
+		r.Tags.RemoveAll(remove)
 	}
+	*results = results.ReplaceDuplicates(func(s result.Statuses) result.Status {
+		// If all results have the same status, then use that.
+		if len(s) == 1 {
+			return s.One()
+		}
+		// Mixed statuses. Replace with something appropriate.
+		switch {
+		case s.Contains(result.Crash):
+			return result.Crash
+		case s.Contains(result.Abort):
+			return result.Abort
+		}
+		return result.Failure
+	})
 }
diff --git a/tools/src/cmd/cts/config.json b/tools/src/cmd/cts/config.json
index b408eed0aa..30a73ee610 100644
--- a/tools/src/cmd/cts/config.json
+++ b/tools/src/cmd/cts/config.json
@@ -39,13 +39,19 @@
       "Builder": "linux-dawn-rel"
     }
   },
-  "TagAliases": [
-    [
-      // crbug.com/dawn/1387
-      "intel-0x5912",
-      "intel-0x3e92"
-    ]
-  ],
+  "Tag": {
+    "Aliases": [
+      [
+        // crbug.com/dawn/1387
+        "intel-0x5912",
+        "intel-0x3e92"
+      ]
+    ],
+    "Remove": [
+      // crbug.com/dawn/1401
+      "release-x64"
+    ],
+  },
   "Sheets": {
     // Spreadsheet to export results data to
     // https://docs.google.com/spreadsheets/d/1OFsh-r_njG5pKDwjL1HOvLJKDRC4FgO-LE9Kw7WPQcc
diff --git a/tools/src/resultsdb/resultsdb.go b/tools/src/resultsdb/resultsdb.go
index b484f52a3c..1f727fbe44 100644
--- a/tools/src/resultsdb/resultsdb.go
+++ b/tools/src/resultsdb/resultsdb.go
@@ -72,7 +72,7 @@ func (r *ResultsDB) QueryTestResults(
 				TestIdRegexp: filterRegex,
 			},
 			ReadMask: &fieldmaskpb.FieldMask{Paths: []string{
-				"test_id", "status", "tags", "failure_reason", "duration",
+				"test_id", "status", "tags", "duration",
 			}},
 			PageSize:  1000, // Maximum page size.
 			PageToken: pageToken,