diff --git a/src/Psalm/Internal/Provider/ParserCacheProvider.php b/src/Psalm/Internal/Provider/ParserCacheProvider.php
index 2d4583d7c9f..e1345240cee 100644
--- a/src/Psalm/Internal/Provider/ParserCacheProvider.php
+++ b/src/Psalm/Internal/Provider/ParserCacheProvider.php
@@ -211,6 +211,7 @@ private function getExistingFileContentHashes(): array
                 throw new UnexpectedValueException('File content hashes should be in cache');
             }
 
+            /** @psalm-suppress MixedAssignment */
             $hashes_decoded = json_decode($hashes_encoded, true);
 
             if (!is_array($hashes_decoded)) {
diff --git a/tests/DateTimeTest.php b/tests/DateTimeTest.php
index 2dc62c3b08a..d5ae0d50d36 100644
--- a/tests/DateTimeTest.php
+++ b/tests/DateTimeTest.php
@@ -9,7 +9,7 @@ class DateTimeTest extends TestCase
     use ValidCodeAnalysisTestTrait;
 
     /**
-     * @return iterable<string,array{string,assertions?:array<string,string>,error_levels?:string[]}>
+     * @return array<string, array{code: string, assertions?:array<string,string>, error_levels?: list<string>}>
      */
     public function providerValidCodeParse(): iterable
     {