diff --git a/arcanist/linter/FileNameLinter.php b/arcanist/linter/FileNameLinter.php
--- a/arcanist/linter/FileNameLinter.php
+++ b/arcanist/linter/FileNameLinter.php
@@ -7,6 +7,10 @@
 
   const INVALID_FILENAME_FOUND = 1;
 
+  const EXCEPTIONS = array(
+    // None so far
+  );
+
   public function getInfoName() {
     return 'lint-source-filename';
   }
@@ -39,9 +43,16 @@
 
   public function lintPath($path) {
     $abspath = Filesystem::resolvePath($path, $this->getProjectRoot());
+    $pathInfo = pathinfo($path);
+
+    // If file is in the exception list, let it go
+    if (in_array($pathInfo['basename'], self::EXCEPTIONS)) {
+      return;
+    }
+
     $fileContent = Filesystem::readFile($abspath);
 
-    if(preg_match('/[^a-z0-9_-]/', pathinfo($path, PATHINFO_FILENAME))) {
+    if(preg_match('/[^a-z0-9_-]/', $pathInfo['filename'])) {
       $this->raiseLintAtPath(
         self::INVALID_FILENAME_FOUND,
         pht('Source code file names should only contain [a-z0-9_-] chars (see '.
diff --git a/arcanist/linter/IncludeGuardLinter.php b/arcanist/linter/IncludeGuardLinter.php
--- a/arcanist/linter/IncludeGuardLinter.php
+++ b/arcanist/linter/IncludeGuardLinter.php
@@ -10,6 +10,10 @@
 
   const INCLUDE_GUARD_INVALID = 1;
 
+  const EXCEPTIONS = array(
+    // none yet
+  );
+
   public function getInfoName() {
     return 'lint-include-guard';
   }
@@ -41,10 +45,16 @@
 
   public function lintPath($path) {
     $abspath = Filesystem::resolvePath($path, $this->getProjectRoot());
-    $fileContent = Filesystem::readFile($abspath);
 
     $pathInfo = pathinfo($path);
 
+    // If file is in list of exceptions, let it go
+    if (in_array($pathInfo['basename'], self::EXCEPTIONS)) {
+      return;
+    }
+
+    $fileContent = Filesystem::readFile($abspath);
+
     // Get the path components. They are relative to project root.
     $guard = explode('/', $pathInfo['dirname']);
     // Add the file name (without extension) to the path components.