diff --git a/src/Psalm/Internal/Analyzer/Statements/UnusedAssignmentRemover.php b/src/Psalm/Internal/Analyzer/Statements/UnusedAssignmentRemover.php
index 3b002d338..3d1930a2e 100644
--- a/src/Psalm/Internal/Analyzer/Statements/UnusedAssignmentRemover.php
+++ b/src/Psalm/Internal/Analyzer/Statements/UnusedAssignmentRemover.php
@@ -115,8 +115,8 @@ class UnusedAssignmentRemover
             $this->removed_unref_vars[$var_id] = $original_location;
         }
     }
-    
-    private function getPartialRemovalBounds(
+
+    private static function getPartialRemovalBounds(
         Codebase $codebase,
         CodeLocation $var_loc,
         int $end_bound,
@@ -350,7 +350,7 @@ class UnusedAssignmentRemover
             return [null, $search_level];
         }
     }
-    
+
     public function checkIfVarRemoved(string $var_id, CodeLocation $var_loc): bool
     {
         return array_key_exists($var_id, $this->removed_unref_vars)
diff --git a/src/Psalm/Internal/Codebase/ClassLikes.php b/src/Psalm/Internal/Codebase/ClassLikes.php
index 13d8df1ff..c86699c27 100644
--- a/src/Psalm/Internal/Codebase/ClassLikes.php
+++ b/src/Psalm/Internal/Codebase/ClassLikes.php
@@ -660,7 +660,7 @@ class ClassLikes
     {
         $this->classlike_aliases[$alias_name] = $fq_class_name;
     }
-    
+
     public function getUnAliasedName(string $alias_name): string
     {
         $alias_name_lc = strtolower($alias_name);
@@ -753,7 +753,7 @@ class ClassLikes
         }
     }
 
-    public function makeImmutable(
+    public static function makeImmutable(
         PhpParser\Node\Stmt\Class_ $class_stmt,
         \Psalm\Internal\Analyzer\ProjectAnalyzer $project_analyzer,
         string $file_path
diff --git a/src/Psalm/Internal/PhpVisitor/PartialParserVisitor.php b/src/Psalm/Internal/PhpVisitor/PartialParserVisitor.php
index 350d75090..32f54cbab 100644
--- a/src/Psalm/Internal/PhpVisitor/PartialParserVisitor.php
+++ b/src/Psalm/Internal/PhpVisitor/PartialParserVisitor.php
@@ -327,7 +327,7 @@ class PartialParserVisitor extends PhpParser\NodeVisitorAbstract implements PhpP
     /**
      * @psalm-pure
      */
-    private function balanceBrackets(string $fake_class) : string
+    private static function balanceBrackets(string $fake_class) : string
     {
         $tokens = \token_get_all($fake_class);
 
diff --git a/src/Psalm/Internal/PhpVisitor/ReflectorVisitor.php b/src/Psalm/Internal/PhpVisitor/ReflectorVisitor.php
index a0c37df58..51c8b8742 100644
--- a/src/Psalm/Internal/PhpVisitor/ReflectorVisitor.php
+++ b/src/Psalm/Internal/PhpVisitor/ReflectorVisitor.php
@@ -3813,7 +3813,7 @@ class ReflectorVisitor extends PhpParser\NodeVisitorAbstract implements PhpParse
         }
     }
 
-    public function getUnresolvedClassConstExpr(
+    public static function getUnresolvedClassConstExpr(
         PhpParser\Node\Expr $stmt,
         Aliases $aliases,
         string $fq_classlike_name