diff --git a/src/lint/linter/xhpast/ArcanistXHPASTLinter.php b/src/lint/linter/xhpast/ArcanistXHPASTLinter.php
index c24db6e5..dd5861bf 100644
--- a/src/lint/linter/xhpast/ArcanistXHPASTLinter.php
+++ b/src/lint/linter/xhpast/ArcanistXHPASTLinter.php
@@ -1460,6 +1460,7 @@ final class ArcanistXHPASTLinter extends ArcanistLinter {
 
           default:
             $key = null;
+            break;
         }
 
         if ($key !== null) {
diff --git a/src/parser/diff/ArcanistDiffParser.php b/src/parser/diff/ArcanistDiffParser.php
index 061a49a6..231f6576 100644
--- a/src/parser/diff/ArcanistDiffParser.php
+++ b/src/parser/diff/ArcanistDiffParser.php
@@ -305,6 +305,7 @@ final class ArcanistDiffParser {
           break;
         default:
           $this->didFailParse("Unknown diff type.");
+          break;
       }
     } while ($this->getLine() !== null);