diff --git a/src/Projection/Projectionist/Projectionist.php b/src/Projection/Projectionist/Projectionist.php
index 3fe85e5e9..c959d860a 100644
--- a/src/Projection/Projectionist/Projectionist.php
+++ b/src/Projection/Projectionist/Projectionist.php
@@ -11,7 +11,6 @@ interface Projectionist
     /**
      * @param positive-int|null $limit
      *
-     * @throws ProjectionistError
      * @throws ProjectorNotFound
      */
     public function boot(
@@ -22,7 +21,6 @@ public function boot(
     /**
      * @param positive-int|null $limit
      *
-     * @throws ProjectionistError
      * @throws ProjectorNotFound
      */
     public function run(
diff --git a/src/Projection/Projectionist/ProjectionistError.php b/src/Projection/Projectionist/ProjectionistError.php
deleted file mode 100644
index 0ab37e96a..000000000
--- a/src/Projection/Projectionist/ProjectionistError.php
+++ /dev/null
@@ -1,30 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Patchlevel\EventSourcing\Projection\Projectionist;
-
-use RuntimeException;
-use Throwable;
-
-use function sprintf;
-
-final class ProjectionistError extends RuntimeException
-{
-    public function __construct(
-        public readonly string $projector,
-        public readonly string $projectionId,
-        Throwable $error,
-    ) {
-        parent::__construct(
-            sprintf(
-                'error in projector "%s" for "%s": %s',
-                $projector,
-                $projectionId,
-                $error->getMessage(),
-            ),
-            0,
-            $error,
-        );
-    }
-}