diff --git a/php/mass-rebuild-filter.php b/php/mass-rebuild-filter.php
index 2b6ca5f..92aa512 100644
--- a/php/mass-rebuild-filter.php
+++ b/php/mass-rebuild-filter.php
@@ -21,11 +21,6 @@ echo "hi\n";
 function outrunner($msg) {
     try {
         runner($msg);
-    } catch (\GHE\ExecException $e) {
-        var_dump($msg);
-        var_dump($e->getMessage());
-        var_dump($e->getCode());
-        var_dump($e->getOutput());
     } catch (\PhpAmqpLib\Exception\AMQPProtocolChannelException $e) {
         echo "Channel exception:\n";
         var_dump($e);
diff --git a/php/poster.php b/php/poster.php
index e692623..6de42cf 100644
--- a/php/poster.php
+++ b/php/poster.php
@@ -76,13 +76,7 @@ function reply_to_issue($body, $output, $success, $system) {
 
 
 function outrunner($msg) {
-    try {
-        return runner($msg);
-    } catch (GHE\ExecException $e) {
-        var_dump($e->getMessage());
-        var_dump($e->getCode());
-        var_dump($e->getOutput());
-    }
+    return runner($msg);
 }
 
 
diff --git a/php/src/ACL.php b/php/src/ACL.php
index e453218..e9e14be 100644
--- a/php/src/ACL.php
+++ b/php/src/ACL.php
@@ -10,32 +10,7 @@ class ACL {
         ];
     }
 
-    static public function getUsers() {
-        return [
-            '7c6f434c',
-            'copumpkin',
-            'disassembler',
-            'domenkozar',
-            'fpletz',
-            'fridh',
-            'globin',
-            'grahamc',
-            'lnl7',
-            'mic92',
-            'orivej',
-            'shlevy',
-        ];
-    }
-
     static public function isRepoEligible($repo) {
         return in_array(strtolower($repo), self::getRepos());
     }
-
-    static public function isUserAuthorized($user) {
-        return in_array(strtolower($user), self::getUsers());
-    }
-
-    static public function authorizeUserRepo($user, $repo) {
-        return self::isRepoEligible($repo) && self::isUserAuthorized($user);
-    }
 }
\ No newline at end of file
diff --git a/php/src/Checkout.php b/php/src/Checkout.php
deleted file mode 100644
index f410a1e..0000000
--- a/php/src/Checkout.php
+++ /dev/null
@@ -1,119 +0,0 @@
-<?php
-
-namespace GHE;
-
-class Checkout {
-
-    protected $root;
-    protected $type;
-
-    function __construct($root, $type) {
-        $this->root = $root;
-        $this->type = $type;
-    }
-
-    function checkOutRef($repo_name, $clone_url, $id, $ref) {
-        $this->prefetchRepoCache($repo_name, $clone_url);
-
-        $pname = $this->pathToRepoCache($repo_name);
-        $bname = $this->pathToBuildDir($repo_name, $id);
-
-        $guard = $this->guard($bname);
-        if (!is_dir($bname)) {
-            echo "Cloning https://github.com/" . $repo_name . "/pull/" . $id . " to $bname\n";
-            Exec::exec('git clone --shared --reference-if-able %s %s %s',
-                       [
-                           $pname,
-                           $clone_url,
-                           $bname
-                       ]);
-        }
-
-        if (!chdir($bname)) {
-            throw new CoFailedException("Failed to chdir to $bname\n");
-        }
-
-        echo "fetching https://github.com/" . $repo_name . "/pull/" . $id . " in $bname\n";
-        Exec::exec('git fetch origin');
-        try {
-            Exec::exec('git am --abort');
-        } catch (ExecException $e) {
-            // non-zero exit if no am is in progress
-        }
-        Exec::exec('git reset --hard %s', [$ref]);
-
-
-        $this->release($guard);
-
-        return $bname;
-    }
-
-    function applyPatches($bname, $patch_url) {
-        if (!chdir($bname)) {
-            throw new CoFailedException("Failed to chdir to $bname\n");
-        }
-
-        $guard = $this->guard($bname);
-        Exec::exec('curl -L %s | git am --no-gpg-sign -', [$patch_url]);
-        $this->release($guard);
-    }
-
-    function prefetchRepoCache($name, $clone_url) {
-        if (!chdir($this->root)) {
-            throw new CoFailedException("Failed to chdir to " . $this->root);
-        }
-
-        $pname = $this->pathToRepoCache($name);
-
-        $guard = $this->guard($pname);
-
-        if (!is_dir($pname)) {
-            echo "Cloning " . $name . " to $pname\n";
-            Exec::exec('git clone --bare %s %s',
-                       [
-                           $clone_url,
-                           $pname
-                       ]);
-        }
-
-        $this->release($guard);
-
-        if (!chdir($pname)) {
-            throw new CoFailedException("Failed to chdir to $pname");
-        }
-
-        echo "Fetching $name in $pname\n";
-        Exec::exec('git fetch origin');
-    }
-
-    function pathToRepoCache($name) {
-        return $this->root . "/repo-" . md5($name);
-    }
-
-    function pathToBuildDir($repo, $id_number) {
-        $id = (int) $id_number;
-        $repo_hash = md5($repo);
-        $type = $this->type;
-
-        return $this->root . "/$type-$repo_hash-$id";
-    }
-
-    function guard($path) {
-        echo "about to lock $path\n";
-        $res = fopen("$path.lock", 'c');
-        while (!flock($res, LOCK_EX)) {
-            echo "waiting for lock on $path...\n";
-            sleep(1);
-        }
-        echo "got lock on $path\n";
-
-        return  $res;
-    }
-
-    function release($res) {
-        fclose($res);
-    }
-
-}
-
-class CoFailedException extends \Exception {}
\ No newline at end of file
diff --git a/php/src/CommitStatus.php b/php/src/CommitStatus.php
deleted file mode 100644
index f37d586..0000000
--- a/php/src/CommitStatus.php
+++ /dev/null
@@ -1,49 +0,0 @@
-<?php
-
-namespace GHE;
-
-class CommitStatus {
-
-    protected $ghclient;
-    protected $owner;
-    protected $repo;
-    protected $sha;
-    protected $name;
-
-    function __construct($ghclient, $owner, $repo, $sha, $name) {
-        $this->ghclient = $ghclient;
-        $this->owner = $owner;
-        $this->repo = $repo;
-        $this->sha = $sha;
-        $this->name = $name;
-    }
-
-    public function pending($description) {
-        $this->mark('pending', $description);
-    }
-
-    public function error($description) {
-        $this->mark('error', $description);
-    }
-
-    public function failure($description) {
-        $this->mark('failure', $description);
-    }
-
-    public function success($description) {
-        $this->mark('success', $description);
-    }
-
-    public function mark($state, $description) {
-        $this->ghclient->api('repository')->statuses()->create(
-            $this->owner,
-            $this->repo,
-            $this->sha,
-            [
-                'state' => $state,
-                'context' => $this->name,
-                'description' => $description,
-            ]
-        );
-    }
-}
diff --git a/php/src/Exec.php b/php/src/Exec.php
deleted file mode 100644
index aa05bfa..0000000
--- a/php/src/Exec.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-
-namespace GHE;
-
-class Exec {
-    public static function exec($cmd, $args = array()) {
-        $safeArgs = array_map('escapeshellarg', $args);
-        $interiorCmd = vsprintf($cmd, $safeArgs);
-
-        $exteriorCmd = sprintf('/bin/sh -o pipefail -euc %s 2>&1',
-                               escapeshellarg($interiorCmd));
-
-        exec($exteriorCmd, $output, $return);
-
-        if ($return > 0) {
-            throw new ExecException($cmd, $args, $output, $return);
-        }
-
-        return $output;
-    }
-}
-
-class ExecException extends \Exception {
-    protected $args;
-    protected $output;
-
-    public function __construct($cmd, $args, $output, $return) {
-        $this->args = $args;
-        $this->output = $output;
-
-        parent::__construct("Error calling $cmd", $return);
-    }
-
-    public function getArgs() {
-        return $this->args;
-    }
-
-    public function getOutput() {
-        return $this->output;
-    }
-
-}
\ No newline at end of file
diff --git a/php/src/NixBuild.php b/php/src/NixBuild.php
deleted file mode 100644
index ab2eb15..0000000
--- a/php/src/NixBuild.php
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-
-namespace GHE;
diff --git a/php/src/RebuildTagClassifier.php b/php/src/RebuildTagClassifier.php
deleted file mode 100644
index 7a6ddda..0000000
--- a/php/src/RebuildTagClassifier.php
+++ /dev/null
@@ -1,62 +0,0 @@
-<?php
-
-namespace GHE;
-
-class RebuildTagClassifier {
-
-    public static function parseAndLabel($text) {
-        $counts = self::parse($text);
-
-        if (!isset($counts['x86_64-darwin'])) {
-            $counts['x86_64-darwin'] = 0;
-        }
-
-        if (!isset($counts['x86_64-linux'])) {
-            $counts['x86_64-linux'] = 0;
-        }
-
-        $labels = [];
-        foreach ($counts as $arch => $count) {
-            $label[] = self::labelForArchCount($arch, $count);
-        }
-
-        return $label;
-    }
-
-    public static function parse($output) {
-        $counts = [];
-        foreach ($output as $line) {
-            if (preg_match('/^\s*(\d+) (.*)$/', $line, $matches)) {
-                $counts[$matches[2]] = (int)$matches[1];
-            }
-        }
-
-        return $counts;
-    }
-
-    public static function labelForArchCount($arch, $count) {
-        if ($arch == "x86_64-linux") {
-            $prefix = "10.rebuild-linux: ";
-        } elseif ($arch == "x86_64-darwin") {
-            $prefix = "10.rebuild-darwin: ";
-        } else {
-            throw new RebuildTagClassifierArchException("Unknown arch $arch");
-        }
-
-        if ($count > 500) {
-            $suffix = "501+";
-        } else if ($count > 100) {
-            $suffix = "101-500";
-        } else if ($count > 10) {
-            $suffix = "11-100";
-        } else if ($count > 0) {
-            $suffix = "1-10";
-        } else {
-            $suffix = "0";
-        }
-
-        return $prefix . $suffix;
-    }
-}
-
-class RebuildTagClassifierArchException extends \Exception {}
\ No newline at end of file
diff --git a/php/src/TestExec.php b/php/src/TestExec.php
deleted file mode 100644
index 72bc178..0000000
--- a/php/src/TestExec.php
+++ /dev/null
@@ -1,68 +0,0 @@
-<?php
-
-namespace GHE;
-
-class TestExec extends \PHPUnit\Framework\TestCase
-{
-    /**        Exec::exec('curl -L %s | git am --no-gpg-sign -');
-
-     */
-    function testExecBasic() {
-        $this->assertEquals(
-            ['oof'],
-            Exec::exec('echo foo | rev')
-        );
-    }
-
-    function testExecArgs() {
-        $this->assertEquals(
-            ['rab'],
-            Exec::exec('echo %s | rev', ['bar'])
-        );
-    }
-
-    function testExecArgsDangerous() {
-        $this->assertEquals(
-            ['$(whoami)'],
-            Exec::exec('echo %s', ['$(whoami)'])
-        );
-    }
-
-    function testExecFailureExceptions() {
-        $this->expectException(ExecException::class);
-        $this->expectExceptionCode(123);
-        $this->expectExceptionMessage("Error calling exit 123");
-        Exec::exec('exit 123');
-    }
-
-    function testExecFailureExceptionsOutput() {
-        try {
-            Exec::exec('echo %s; exit %s', ["heya", 10]);
-            $this->assertFalse(true, "Should have excepted!");
-        } catch (ExecException $e) {
-            $this->assertEquals(10, $e->getCode());
-            $this->assertEquals(["heya", 10], $e->getArgs());
-            $this->assertEquals(["heya"], $e->getOutput());
-        }
-    }
-
-
-    function testExecFailureExceptionPipefailEnd() {
-        try {
-            var_dump(Exec::exec('echo "foo" | (exit 2);'));
-            $this->assertFalse(true, "Should have excepted!");
-        } catch (ExecException $e) {
-            $this->assertEquals(2, $e->getCode());
-        }
-    }
-
-    function testExecFailureExceptionPipefailStart() {
-        try {
-            var_dump(Exec::exec('(echo "foo"; exit 3) | rev;'));
-            $this->assertFalse(true, "Should have excepted!");
-        } catch (ExecException $e) {
-            $this->assertEquals(3, $e->getCode());
-        }
-    }
-
-}
\ No newline at end of file
diff --git a/php/src/TestRebuildTagClassifier.php b/php/src/TestRebuildTagClassifier.php
deleted file mode 100644
index 799af36..0000000
--- a/php/src/TestRebuildTagClassifier.php
+++ /dev/null
@@ -1,101 +0,0 @@
-<?php
-
-
-namespace GHE;
-
-class TestRebuildTagClassifier extends \PHPUnit\Framework\TestCase
-{
-    function testParseLabelJustOne() {
-        $this->assertEquals(
-            ["10.rebuild-linux: 1-10", "10.rebuild-darwin: 0"],
-            RebuildTagClassifier::parseAndLabel([
-                "Estimating rebuild amount by counting changed Hydra jobs.",
-                "      1 x86_64-linux",
-            ]));
-    }
-
-    function testExecParseAndLabelGarbage() {
-        $this->assertEquals(
-            ["10.rebuild-darwin: 0", "10.rebuild-linux: 0", ],
-            RebuildTagClassifier::parseAndLabel(["foo", "bar"])
-        );
-    }
-
-    function testExecParseAndLabelLinuxOnly() {
-        $this->assertEquals(
-            ["10.rebuild-linux: 1-10", "10.rebuild-darwin: 0", ],
-            RebuildTagClassifier::parseAndLabel(["  5 x86_64-linux"])
-        );
-    }
-
-    function testExecParseAndLabelDarwinOnly() {
-        $this->assertEquals(
-            ["10.rebuild-darwin: 1-10", "10.rebuild-linux: 0", ],
-            RebuildTagClassifier::parseAndLabel(["  5 x86_64-darwin"])
-        );
-    }
-
-    function testExecParseAndLabelLinuxAndDarwin() {
-        $this->assertEquals(
-            ["10.rebuild-linux: 1-10", "10.rebuild-darwin: 11-100", ],
-            RebuildTagClassifier::parseAndLabel(["  5 x86_64-linux", "    17 x86_64-darwin"])
-        );
-    }
-
-
-
-    function testExecParseNone() {
-        $this->assertEquals(
-            [],
-            RebuildTagClassifier::parse([])
-        );
-    }
-
-    function testExecParseGarbage() {
-        $this->assertEquals(
-            [],
-            RebuildTagClassifier::parse(["foo", "bar"])
-        );
-    }
-
-    function testExecParseLinuxOnly() {
-        $this->assertEquals(
-            ["x86_64-linux" => 5],
-            RebuildTagClassifier::parse(["  5 x86_64-linux"])
-        );
-    }
-
-    function testParseJustOne() {
-        $this->assertEquals(
-            ["x86_64-linux" => 1],
-            RebuildTagClassifier::parse([
-                "Estimating rebuild amount by counting changed Hydra jobs.",
-                "      1 x86_64-linux",
-            ]));
-    }
-
-    function testExecParseDarwinOnly() {
-        $this->assertEquals(
-            ["x86_64-darwin" => 5],
-            RebuildTagClassifier::parse(["  5 x86_64-darwin"])
-        );
-    }
-
-    function testExecParseLinuxAndDarwin() {
-        $this->assertEquals(
-            ["x86_64-linux" => 5, "x86_64-darwin" => 17],
-            RebuildTagClassifier::parse(["  5 x86_64-linux", "    17 x86_64-darwin"])
-        );
-    }
-
-    function testLabelForArchCount() {
-        $this->assertEquals("10.rebuild-linux: 501+", RebuildTagClassifier::labelForArchCount("x86_64-linux", 501));
-        $this->assertEquals("10.rebuild-linux: 101-500", RebuildTagClassifier::labelForArchCount("x86_64-linux", 150));
-        $this->assertEquals("10.rebuild-darwin: 101-500", RebuildTagClassifier::labelForArchCount("x86_64-darwin", 150));
-    }
-
-    function testLabelForUnknownArch() {
-        $this->expectException(RebuildTagClassifierArchException::class);
-        RebuildTagClassifier::labelForArchCount("lmao", 150);
-    }
-}
\ No newline at end of file