diff --git a/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php b/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
index 5844cedb9..bce31106c 100644
--- a/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
+++ b/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
@@ -684,18 +684,12 @@ class ProjectAnalyzer
             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->project_cache_provider && $this->parser_cache_provider && !$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);
-            }
         }
     }
 
diff --git a/src/Psalm/IssueBuffer.php b/src/Psalm/IssueBuffer.php
index 9d3837e32..b4857dfcc 100644
--- a/src/Psalm/IssueBuffer.php
+++ b/src/Psalm/IssueBuffer.php
@@ -746,10 +746,6 @@ class IssueBuffer
             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