diff --git a/system/Helpers/filesystem_helper.php b/system/Helpers/filesystem_helper.php
index d5f2d974e4ad..6acf6f38f846 100644
--- a/system/Helpers/filesystem_helper.php
+++ b/system/Helpers/filesystem_helper.php
@@ -96,7 +96,7 @@ function directory_mirror(string $originDir, string $targetDir, bool $overwrite
                 if (! is_dir($target)) {
                     mkdir($target, 0755);
                 }
-            } elseif (! is_file($target) || ($overwrite && is_file($target))) {
+            } elseif ($overwrite || ! is_file($target)) {
                 copy($origin, $target);
             }
         }
diff --git a/utils/phpstan-baseline/booleanAnd.rightAlwaysTrue.neon b/utils/phpstan-baseline/booleanAnd.rightAlwaysTrue.neon
deleted file mode 100644
index 0a05a1a708cc..000000000000
--- a/utils/phpstan-baseline/booleanAnd.rightAlwaysTrue.neon
+++ /dev/null
@@ -1,8 +0,0 @@
-# total 1 error
-
-parameters:
-    ignoreErrors:
-        -
-            message: '#^Right side of && is always true\.$#'
-            count: 1
-            path: ../../system/Helpers/filesystem_helper.php
diff --git a/utils/phpstan-baseline/loader.neon b/utils/phpstan-baseline/loader.neon
index feab1b53df83..308117dcd44c 100644
--- a/utils/phpstan-baseline/loader.neon
+++ b/utils/phpstan-baseline/loader.neon
@@ -1,7 +1,6 @@
 includes:
     - argument.type.neon
     - assign.propertyType.neon
-    - booleanAnd.rightAlwaysTrue.neon
     - codeigniter.cacheHandlerInstance.neon
     - codeigniter.configArgumentInstanceof.neon
     - codeigniter.frameworkExceptionInstance.neon