diff --git a/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php b/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
index 5844cedb9ae..a32260a7573 100644
--- a/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
+++ b/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
@@ -684,18 +684,12 @@ public function check(string $base_dir, bool $is_diff = false): void
             true
         );
 
-        if ($this->project_cache_provider && $this->parser_cache_provider) {
-            $removed_parser_files = $this->parser_cache_provider->deleteOldParserCaches(
-                $is_diff ? $this->project_cache_provider->getLastRun(PSALM_VERSION) : $start_checks
-            );
+        if ($this->parser_cache_provider && !$is_diff) {
+            $removed_parser_files = $this->parser_cache_provider->deleteOldParserCaches($start_checks);
 
             if ($removed_parser_files) {
                 $this->progress->debug('Removed ' . $removed_parser_files . ' old parser caches' . "\n");
             }
-
-            if ($is_diff) {
-                $this->parser_cache_provider->touchParserCaches($this->getAllFiles($this->config), $start_checks);
-            }
         }
     }
 
@@ -1072,24 +1066,6 @@ private function checkDirWithConfig(string $dir_name, Config $config, bool $allo
         $this->codebase->addFilesToAnalyze($files_to_scan);
     }
 
-    /**
-     * @return list<string>
-     */
-    private function getAllFiles(Config $config): array
-    {
-        $file_extensions = $config->getFileExtensions();
-        $file_paths = [];
-
-        foreach ($config->getProjectDirectories() as $dir_name) {
-            $file_paths = array_merge(
-                $file_paths,
-                $this->file_provider->getFilesInDir($dir_name, $file_extensions)
-            );
-        }
-
-        return $file_paths;
-    }
-
     public function addProjectFile(string $file_path): void
     {
         $this->project_files[$file_path] = $file_path;
diff --git a/src/Psalm/Internal/Provider/ParserCacheProvider.php b/src/Psalm/Internal/Provider/ParserCacheProvider.php
index 09543d00af5..c4b4b9a4050 100644
--- a/src/Psalm/Internal/Provider/ParserCacheProvider.php
+++ b/src/Psalm/Internal/Provider/ParserCacheProvider.php
@@ -7,7 +7,6 @@
 use RuntimeException;
 
 use function error_log;
-use function file_exists;
 use function file_get_contents;
 use function file_put_contents;
 use function filemtime;
@@ -321,7 +320,7 @@ public function deleteOldParserCaches(float $time_before): int
     {
         $cache_directory = Config::getInstance()->getCacheDirectory();
 
-        if ($cache_directory) {
+        if (!$cache_directory) {
             return 0;
         }
 
@@ -349,57 +348,6 @@ public function deleteOldParserCaches(float $time_before): int
         return $removed_count;
     }
 
-    public function processSuccessfulRun(): void
-    {
-        $cache_directory = Config::getInstance()->getCacheDirectory();
-
-        if (!$cache_directory) {
-            return;
-        }
-
-        $cache_directory .= DIRECTORY_SEPARATOR . self::PARSER_CACHE_DIRECTORY;
-
-        if (is_dir($cache_directory)) {
-            $directory_files = scandir($cache_directory, SCANDIR_SORT_NONE);
-
-            foreach ($directory_files as $directory_file) {
-                $full_path = $cache_directory . DIRECTORY_SEPARATOR . $directory_file;
-
-                if ($directory_file[0] === '.') {
-                    continue;
-                }
-
-                touch($full_path);
-            }
-        }
-    }
-
-    /**
-     * @param  array<string>    $file_names
-     */
-    public function touchParserCaches(array $file_names, int $min_time): void
-    {
-        $cache_directory = Config::getInstance()->getCacheDirectory();
-
-        if (!$cache_directory) {
-            return;
-        }
-
-        $cache_directory .= DIRECTORY_SEPARATOR . self::PARSER_CACHE_DIRECTORY;
-
-        if (is_dir($cache_directory)) {
-            foreach ($file_names as $file_name) {
-                $hash_file_name = $cache_directory . DIRECTORY_SEPARATOR . $this->getParserCacheKey($file_name);
-
-                if (file_exists($hash_file_name)) {
-                    if (filemtime($hash_file_name) < $min_time) {
-                        touch($hash_file_name, $min_time);
-                    }
-                }
-            }
-        }
-    }
-
     private function getParserCacheKey(string $file_name): string
     {
         return md5($file_name) . ($this->use_igbinary ? '-igbinary' : '') . '-r';
diff --git a/src/Psalm/IssueBuffer.php b/src/Psalm/IssueBuffer.php
index 9d3837e32da..b4857dfccea 100644
--- a/src/Psalm/IssueBuffer.php
+++ b/src/Psalm/IssueBuffer.php
@@ -746,10 +746,6 @@ function (IssueData $d1, IssueData $d2): int {
             if ($project_analyzer->project_cache_provider) {
                 $project_analyzer->project_cache_provider->processSuccessfulRun($start_time, PSALM_VERSION);
             }
-
-            if ($codebase->statements_provider->parser_cache_provider) {
-                $codebase->statements_provider->parser_cache_provider->processSuccessfulRun();
-            }
         }
 
         if ($error_count