diff --git a/app/Support/Search/QueryParser.php b/app/Support/Search/QueryParser.php
deleted file mode 100644
index ba07f2a1c9..0000000000
--- a/app/Support/Search/QueryParser.php
+++ /dev/null
@@ -1,171 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace FireflyIII\Support\Search;
-
-/**
- * Query parser class
- */
-class QueryParser implements QueryParserInterface
-{
-    private string $query;
-    private int $position = 0;
-
-    /**
-     * @return Node[]
-     */
-    public function parse(string $query): array
-    {
-        $this->query = $query;
-        $this->position = 0;
-        return $this->parseQuery();
-    }
-
-    private function parseQuery(): array
-    {
-        $nodes = [];
-
-        while ($this->position < strlen($this->query)) {
-            $this->skipWhitespace();
-
-            if ($this->position >= strlen($this->query)) {
-                break;
-            }
-
-            // Handle subquery
-            if ($this->query[$this->position] === '(') {
-                $nodes[] = $this->parseSubquery();
-                continue;
-            }
-
-            // Handle field operator
-            if ($this->isStartOfField()) {
-                $nodes[] = $this->parseField();
-                continue;
-            }
-
-            // Handle word
-            $nodes[] = $this->parseWord();
-        }
-
-        return $nodes;
-    }
-
-    private function parseSubquery(): Subquery
-    {
-        $this->position++; // Skip opening parenthesis
-        $nodes = [];
-
-        while ($this->position < strlen($this->query)) {
-            $this->skipWhitespace();
-
-            if ($this->query[$this->position] === ')') {
-                $this->position++; // Skip closing parenthesis
-                break;
-            }
-
-            if ($this->query[$this->position] === '(') {
-                $nodes[] = $this->parseSubquery();
-                continue;
-            }
-
-            if ($this->isStartOfField()) {
-                $nodes[] = $this->parseField();
-                continue;
-            }
-
-            $nodes[] = $this->parseWord();
-        }
-
-        return new Subquery($nodes);
-    }
-
-    private function parseField(): Field
-    {
-        $prohibited = false;
-        if ($this->query[$this->position] === '-') {
-            $prohibited = true;
-            $this->position++;
-        }
-
-        $operator = '';
-        while ($this->position < strlen($this->query) && $this->query[$this->position] !== ':') {
-            $operator .= $this->query[$this->position];
-            $this->position++;
-        }
-        $this->position++; // Skip colon
-
-        $value = '';
-        $inQuotes = false;
-        while ($this->position < strlen($this->query)) {
-            $char = $this->query[$this->position];
-
-            if ($char === '"' && !$inQuotes) {
-                $inQuotes = true;
-                $this->position++;
-                continue;
-            }
-
-            if ($char === '"' && $inQuotes) {
-                $inQuotes = false;
-                $this->position++;
-                break;
-            }
-
-            if (!$inQuotes && ($char === ' ' || $char === ')')) {
-                break;
-            }
-
-            $value .= $char;
-            $this->position++;
-        }
-
-        return new Field(trim($operator), trim($value), $prohibited);
-    }
-
-    private function parseWord(): Word
-    {
-        $word = '';
-        while ($this->position < strlen($this->query)) {
-            $char = $this->query[$this->position];
-            if ($char === ' ' || $char === '(' || $char === ')') {
-                break;
-            }
-            $word .= $char;
-            $this->position++;
-        }
-        return new Word(trim($word));
-    }
-
-    private function isStartOfField(): bool
-    {
-        $pos = $this->position;
-        if ($this->query[$pos] === '-') {
-            $pos++;
-        }
-
-        // Look ahead for a colon that's not inside quotes
-        $inQuotes = false;
-        while ($pos < strlen($this->query)) {
-            if ($this->query[$pos] === '"') {
-                $inQuotes = !$inQuotes;
-            }
-            if ($this->query[$pos] === ':' && !$inQuotes) {
-                return true;
-            }
-            if ($this->query[$pos] === ' ' && !$inQuotes) {
-                return false;
-            }
-            $pos++;
-        }
-        return false;
-    }
-
-    private function skipWhitespace(): void
-    {
-        while ($this->position < strlen($this->query) && $this->query[$this->position] === ' ') {
-            $this->position++;
-        }
-    }
-}