diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -41,7 +41,6 @@
     'ArcanistCommitWorkflow' => 'workflow/ArcanistCommitWorkflow.php',
     'ArcanistCompilerLintRenderer' => 'lint/renderer/ArcanistCompilerLintRenderer.php',
     'ArcanistComprehensiveLintEngine' => 'lint/engine/ArcanistComprehensiveLintEngine.php',
-    'ArcanistConduitLinter' => 'lint/linter/ArcanistConduitLinter.php',
     'ArcanistConfiguration' => 'configuration/ArcanistConfiguration.php',
     'ArcanistConfigurationDrivenLintEngine' => 'lint/engine/ArcanistConfigurationDrivenLintEngine.php',
     'ArcanistConfigurationManager' => 'configuration/ArcanistConfigurationManager.php',
@@ -242,7 +241,6 @@
     'ArcanistCommitWorkflow' => 'ArcanistWorkflow',
     'ArcanistCompilerLintRenderer' => 'ArcanistLintRenderer',
     'ArcanistComprehensiveLintEngine' => 'ArcanistLintEngine',
-    'ArcanistConduitLinter' => 'ArcanistLinter',
     'ArcanistConfigurationDrivenLintEngine' => 'ArcanistLintEngine',
     'ArcanistConsoleLintRenderer' => 'ArcanistLintRenderer',
     'ArcanistCoverWorkflow' => 'ArcanistWorkflow',
diff --git a/src/lint/linter/ArcanistConduitLinter.php b/src/lint/linter/ArcanistConduitLinter.php
deleted file mode 100644
--- a/src/lint/linter/ArcanistConduitLinter.php
+++ /dev/null
@@ -1,98 +0,0 @@
-<?php
-
-/**
- * Implements linting via Conduit RPC call.
- *
- * This linter is slow by definition, but allows sophisticated linting that
- * relies on stuff like big indexes of a codebase. Recommended usage is to gate
- * these to the advice lint level.
- *
- * The conduit endpoint should implement a method named the same as the value
- * of `ArcanistConduitLinter::CONDUIT_METHOD`. It takes an array with a key
- * `file_contents` which is an array mapping file paths to their complete
- * contents. It should return an array mapping those same paths to arrays
- * describing the lint for each path.
- *
- * The lint for a path is described as a list of structured dictionaries. The
- * dictionary structure is effectively defined by
- * `ArcanistLintMessage::newFromDictionary`.
- *
- * Effective keys are:
- *   - `path`: must match passed in path.
- *   - `line`
- *   - `char`
- *   - `code`
- *   - `severity`: must match a constant in @{class:ArcanistLintSeverity}.
- *   - `name`
- *   - `description`
- *   - `original` & `replacement`: optional patch information.
- *   - `locations`: other locations of the same error (in the same format).
- *
- * This class is intended for customization via instantiation, not via
- * subclassing.
- */
-final class ArcanistConduitLinter extends ArcanistLinter {
-  const CONDUIT_METHOD = 'lint.getalllint';
-
-  private $conduitURI;
-  private $linterName;
-  private $results;
-
-  public function __construct($conduit_uri = null, $linter_name = null) {
-    // TODO: Facebook uses this (probably?) but we need to be able to
-    // construct it without arguments for ".arclint".
-    $this->conduitURI = $conduit_uri;
-    $this->linterName = $linter_name;
-  }
-
-  public function getLinterName() {
-    return $this->linterName;
-  }
-
-  public function getLintNameMap() {
-    // See @{method:getLintSeverityMap} for rationale.
-    throw new ArcanistUsageException(
-      pht('%s does not support a name map.', __CLASS__));
-  }
-
-  public function getLintSeverityMap() {
-    // The rationale here is that this class will only be used for custom
-    // linting in installations. No two server endpoints will be the same across
-    // different instantiations. Therefore, the server can handle all severity
-    // customization directly.
-    throw new ArcanistUsageException(
-      pht(
-        '%s does not support client-side severity customization.',
-        __CLASS__));
-  }
-
-  protected function canCustomizeLintSeverities() {
-    return false;
-  }
-
-  public function willLintPaths(array $paths) {
-    // Load all file path data into $this->data.
-    array_map(array($this, 'getData'), $paths);
-
-    $conduit = new ConduitClient($this->conduitURI);
-
-    $this->results = $conduit->callMethodSynchronous(
-      self::CONDUIT_METHOD,
-      array(
-        'file_contents' => $this->data,
-      ));
-  }
-
-  public function lintPath($path) {
-    $lints = idx($this->results, $path);
-
-    if (!$lints) {
-      return;
-    }
-
-    foreach ($lints as $lint) {
-      $this->addLintMessage(ArcanistLintMessage::newFromDictionary($lint));
-    }
-  }
-
-}