diff --git a/run-tests.php b/run-tests.php
index f6819f95d81ae..7452e81d65545 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -3789,7 +3789,6 @@ class RuntestsValgrind
 {
     protected $version = '';
     protected $header = '';
-    protected $version_3_3_0 = false;
     protected $version_3_8_0 = false;
     protected $tool = null;
 
@@ -3819,7 +3818,6 @@ public function __construct(array $environment, string $tool = 'memcheck')
         $this->version = $version;
         $this->header = sprintf(
             "%s (%s)", trim($header), $this->tool);
-        $this->version_3_3_0 = version_compare($version, '3.3.0', '>=');
         $this->version_3_8_0 = version_compare($version, '3.8.0', '>=');
     }
 
@@ -3832,13 +3830,9 @@ public function wrapCommand(string $cmd, string $memcheck_filename, bool $check_
 
         /* --vex-iropt-register-updates=allregs-at-mem-access is necessary for phpdbg watchpoint tests */
         if ($this->version_3_8_0) {
-            /* valgrind 3.3.0+ doesn't have --log-file-exactly option */
             return "$vcmd --vex-iropt-register-updates=allregs-at-mem-access --log-file=$memcheck_filename $cmd";
-        } elseif ($this->version_3_3_0) {
-            return "$vcmd --vex-iropt-precise-memory-exns=yes --log-file=$memcheck_filename $cmd";
-        } else {
-            return "$vcmd --vex-iropt-precise-memory-exns=yes --log-file-exactly=$memcheck_filename $cmd";
         }
+        return "$vcmd --vex-iropt-precise-memory-exns=yes --log-file=$memcheck_filename $cmd";
     }
 }