diff --git a/psalm.xml.dist b/psalm.xml.dist
index bcf32dfb3..a29522a71 100644
--- a/psalm.xml.dist
+++ b/psalm.xml.dist
@@ -111,6 +111,12 @@
             </errorLevel>
         </PossiblyUnusedProperty>
 
+        <UnusedMethod>
+            <errorLevel type="suppress">
+                <referencedMethod name="Psalm\Internal\Analyzer\ProjectAnalyzer::getAllFiles"/>
+            </errorLevel>
+        </UnusedMethod>
+
         <PossiblyUnusedMethod>
             <errorLevel type="suppress">
                 <directory name="src/Psalm/Plugin"/>
@@ -128,6 +134,8 @@
                 <referencedMethod name="Psalm\Codebase::createClassLikeStorage"/>
                 <referencedMethod name="Psalm\Codebase::isVariadic"/>
                 <referencedMethod name="Psalm\Codebase::getMethodReturnsByRef"/>
+                <referencedMethod name="Psalm\Internal\Provider\ParserCacheProvider::processSuccessfulRun"/>
+                <referencedMethod name="Psalm\Internal\Provider\ParserCacheProvider::touchParserCaches"/>
             </errorLevel>
         </PossiblyUnusedMethod>
 
diff --git a/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php b/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
index bce31106c..ef023268c 100644
--- a/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
+++ b/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
@@ -1068,6 +1068,7 @@ class ProjectAnalyzer
 
     /**
      * @return list<string>
+     * @deprecated going to be removed in Psalm 5
      */
     private function getAllFiles(Config $config): array
     {
diff --git a/src/Psalm/Internal/Provider/ParserCacheProvider.php b/src/Psalm/Internal/Provider/ParserCacheProvider.php
index df753a088..9706cc6d8 100644
--- a/src/Psalm/Internal/Provider/ParserCacheProvider.php
+++ b/src/Psalm/Internal/Provider/ParserCacheProvider.php
@@ -349,6 +349,9 @@ class ParserCacheProvider
         return $removed_count;
     }
 
+    /**
+     * @deprecated going to be removed in Psalm 5
+     */
     public function processSuccessfulRun(): void
     {
         $cache_directory = Config::getInstance()->getCacheDirectory();
@@ -376,6 +379,7 @@ class ParserCacheProvider
 
     /**
      * @param  array<string>    $file_names
+     * @deprecated going to be removed in Psalm 5
      */
     public function touchParserCaches(array $file_names, int $min_time): void
     {