diff --git a/commands/build.go b/commands/build.go
index 9a33bdeb695..4bce23fc201 100644
--- a/commands/build.go
+++ b/commands/build.go
@@ -393,7 +393,6 @@ func checkWarnedFlags(f *pflag.Flag) {
 		switch t {
 		case "flag-warn":
 			logrus.Warn(m[0])
-			break
 		}
 	}
 }
diff --git a/commands/util.go b/commands/util.go
index 0e19e9b2f92..d4ee40adf0b 100644
--- a/commands/util.go
+++ b/commands/util.go
@@ -290,9 +290,7 @@ func loadInfoData(ctx context.Context, d *dinfo) error {
 			return errors.Wrap(err, "listing workers")
 		}
 		for _, w := range workers {
-			for _, p := range w.Platforms {
-				d.platforms = append(d.platforms, p)
-			}
+			d.platforms = append(d.platforms, w.Platforms...)
 		}
 		d.platforms = platformutil.Dedupe(d.platforms)
 	}