diff --git a/src/Psalm/Codebase.php b/src/Psalm/Codebase.php
index 993958e607a..db400c999c2 100644
--- a/src/Psalm/Codebase.php
+++ b/src/Psalm/Codebase.php
@@ -2039,6 +2039,8 @@ public function getCompletionItemsForClassishThing(
     /**
      * @param list<CompletionItem> $items
      * @return list<CompletionItem>
+     * @deprecated to be removed in Psalm 6
+     * @api fix deprecation problem "PossiblyUnusedMethod: Cannot find any calls to method"
      */
     public function filterCompletionItemsByBeginLiteralPart(array $items, string $literal_part): array
     {
diff --git a/src/Psalm/Internal/LanguageServer/Server/TextDocument.php b/src/Psalm/Internal/LanguageServer/Server/TextDocument.php
index 451da44e938..a4af46cacec 100644
--- a/src/Psalm/Internal/LanguageServer/Server/TextDocument.php
+++ b/src/Psalm/Internal/LanguageServer/Server/TextDocument.php
@@ -297,7 +297,6 @@ public function completion(TextDocumentIdentifier $textDocument, Position $posit
 
         try {
             $completion_data = $this->codebase->getCompletionDataAtPosition($file_path, $position);
-            $literal_part = $this->codebase->getBeginedLiteralPart($file_path, $position);
             if ($completion_data) {
                 [$recent_type, $gap, $offset] = $completion_data;
 
@@ -306,8 +305,6 @@ public function completion(TextDocumentIdentifier $textDocument, Position $posit
                         ->textDocument->completion->completionItem->snippetSupport ?? false;
                     $completion_items =
                         $this->codebase->getCompletionItemsForClassishThing($recent_type, $gap, $snippetSupport);
-                    $completion_items =
-                        $this->codebase->filterCompletionItemsByBeginLiteralPart($completion_items, $literal_part);
                 } elseif ($gap === '[') {
                     $completion_items = $this->codebase->getCompletionItemsForArrayKeys($recent_type);
                 } else {
diff --git a/tests/LanguageServer/CompletionTest.php b/tests/LanguageServer/CompletionTest.php
index 268f399821e..656951253d5 100644
--- a/tests/LanguageServer/CompletionTest.php
+++ b/tests/LanguageServer/CompletionTest.php
@@ -15,7 +15,6 @@
 use Psalm\Tests\TestConfig;
 use Psalm\Type;
 
-use function array_map;
 use function count;
 
 class CompletionTest extends TestCase
@@ -726,201 +725,6 @@ public function baz() {}
         $this->assertSame('baz()', $completion_items[1]->insertText);
     }
 
-    public function testObjectPropertyOnAppendToEnd(): void
-    {
-        $codebase = $this->codebase;
-        $config = $codebase->config;
-        $config->throw_exception = false;
-
-        $this->addFile(
-            'somefile.php',
-            '<?php
-                namespace B;
-
-                class A {
-                    public $aProp = 123;
-                    public $bProp = 234;
-
-                    public function bar() {
-                        $this->aPr
-                    }
-                }',
-        );
-
-        $codebase->file_provider->openFile('somefile.php');
-        $codebase->scanFiles();
-
-        $this->analyzeFile('somefile.php', new Context());
-
-        $position = new Position(8, 34);
-        $completion_data = $codebase->getCompletionDataAtPosition('somefile.php', $position);
-        $literal_part = $codebase->getBeginedLiteralPart('somefile.php', $position);
-
-        $this->assertSame(['B\A&static', '->', 223], $completion_data);
-
-        $completion_items = $codebase->getCompletionItemsForClassishThing($completion_data[0], $completion_data[1], true);
-        $completion_items = $codebase->filterCompletionItemsByBeginLiteralPart($completion_items, $literal_part);
-        $completion_item_texts = array_map(fn($item) => $item->insertText, $completion_items);
-
-        $this->assertSame(['aProp'], $completion_item_texts);
-    }
-
-    public function testObjectPropertyOnReplaceEndPart(): void
-    {
-        $codebase = $this->codebase;
-        $config = $codebase->config;
-        $config->throw_exception = false;
-
-        $this->addFile(
-            'somefile.php',
-            '<?php
-                namespace B;
-
-                class A {
-                    public $aProp1 = 123;
-                    public $aProp2 = 234;
-
-                    public function bar() {
-                        $this->aProp2;
-                    }
-                }',
-        );
-
-        $codebase->file_provider->openFile('somefile.php');
-        $codebase->scanFiles();
-
-        $this->analyzeFile('somefile.php', new Context());
-
-        $position = new Position(8, 34);
-        $completion_data = $codebase->getCompletionDataAtPosition('somefile.php', $position);
-        $literal_part = $codebase->getBeginedLiteralPart('somefile.php', $position);
-
-        $this->assertSame(['B\A&static', '->', 225], $completion_data);
-
-        $completion_items = $codebase->getCompletionItemsForClassishThing($completion_data[0], $completion_data[1], true);
-        $completion_items = $codebase->filterCompletionItemsByBeginLiteralPart($completion_items, $literal_part);
-        $completion_item_texts = array_map(fn($item) => $item->insertText, $completion_items);
-
-        $this->assertSame(['aProp1', 'aProp2'], $completion_item_texts);
-    }
-
-    public function testSelfPropertyOnAppendToEnd(): void
-    {
-        $codebase = $this->codebase;
-        $config = $codebase->config;
-        $config->throw_exception = false;
-
-        $this->addFile(
-            'somefile.php',
-            '<?php
-                namespace B;
-
-                class A {
-                    public static $aProp = 123;
-                    public static $bProp = 234;
-
-                    public function bar() {
-                        self::$aPr
-                    }
-                }',
-        );
-
-        $codebase->file_provider->openFile('somefile.php');
-        $codebase->scanFiles();
-
-        $this->analyzeFile('somefile.php', new Context());
-
-        $position = new Position(8, 34);
-        $completion_data = $codebase->getCompletionDataAtPosition('somefile.php', $position);
-        $literal_part = $codebase->getBeginedLiteralPart('somefile.php', $position);
-
-        $this->assertSame(['B\A', '::', 237], $completion_data);
-
-        $completion_items = $codebase->getCompletionItemsForClassishThing($completion_data[0], $completion_data[1], true);
-        $completion_items = $codebase->filterCompletionItemsByBeginLiteralPart($completion_items, $literal_part);
-        $completion_item_texts = array_map(fn($item) => $item->insertText, $completion_items);
-
-        $this->assertSame(['$aProp'], $completion_item_texts);
-    }
-
-    public function testStaticPropertyOnAppendToEnd(): void
-    {
-        $codebase = $this->codebase;
-        $config = $codebase->config;
-        $config->throw_exception = false;
-
-        $this->addFile(
-            'somefile.php',
-            '<?php
-                namespace B;
-
-                class A {
-                    public static $aProp = 123;
-                    public static $bProp = 234;
-
-                    public function bar() {
-                        static::$aPr
-                    }
-                }',
-        );
-
-        $codebase->file_provider->openFile('somefile.php');
-        $codebase->scanFiles();
-
-        $this->analyzeFile('somefile.php', new Context());
-
-        $position = new Position(8, 36);
-        $completion_data = $codebase->getCompletionDataAtPosition('somefile.php', $position);
-        $literal_part = $codebase->getBeginedLiteralPart('somefile.php', $position);
-
-        $this->assertSame(['B\A', '::', 239], $completion_data);
-
-        $completion_items = $codebase->getCompletionItemsForClassishThing($completion_data[0], $completion_data[1], true);
-        $completion_items = $codebase->filterCompletionItemsByBeginLiteralPart($completion_items, $literal_part);
-        $completion_item_texts = array_map(fn($item) => $item->insertText, $completion_items);
-
-        $this->assertSame(['$aProp'], $completion_item_texts);
-    }
-
-    public function testStaticPropertyOnReplaceEndPart(): void
-    {
-        $codebase = $this->codebase;
-        $config = $codebase->config;
-        $config->throw_exception = false;
-
-        $this->addFile(
-            'somefile.php',
-            '<?php
-                namespace B;
-
-                class A {
-                    public static $aProp1 = 123;
-                    public static $aProp2 = 234;
-
-                    public function bar() {
-                        self::$aProp2;
-                    }
-                }',
-        );
-
-        $codebase->file_provider->openFile('somefile.php');
-        $codebase->scanFiles();
-
-        $this->analyzeFile('somefile.php', new Context());
-
-        $position = new Position(8, 34);
-        $completion_data = $codebase->getCompletionDataAtPosition('somefile.php', $position);
-        $literal_part = $codebase->getBeginedLiteralPart('somefile.php', $position);
-
-        $this->assertSame(['B\A', '::', 239], $completion_data);
-
-        $completion_items = $codebase->getCompletionItemsForClassishThing($completion_data[0], $completion_data[1], true);
-        $completion_items = $codebase->filterCompletionItemsByBeginLiteralPart($completion_items, $literal_part);
-        $completion_item_texts = array_map(fn($item) => $item->insertText, $completion_items);
-
-        $this->assertSame(['$aProp1', '$aProp2'], $completion_item_texts);
-    }
-
     public function testCompletionOnNewExceptionWithoutNamespace(): void
     {
         $codebase = $this->codebase;