diff --git a/src/Psalm/Codebase.php b/src/Psalm/Codebase.php
index 800d7b5a7..4683e8eb0 100644
--- a/src/Psalm/Codebase.php
+++ b/src/Psalm/Codebase.php
@@ -95,14 +95,6 @@ class Codebase
      */
     public $use_referencing_locations = [];
 
-    /**
-     * A map of file names to the classes that they contain explicit references to
-     * used in collaboration with use_referencing_locations
-     *
-     * @var array<string, array<lowercase-string, bool>>
-     */
-    public $use_referencing_files = [];
-
     /**
      * @var FileStorageProvider
      */
diff --git a/src/Psalm/Context.php b/src/Psalm/Context.php
index bcb9cc761..c61c7583b 100644
--- a/src/Psalm/Context.php
+++ b/src/Psalm/Context.php
@@ -235,11 +235,6 @@ class Context
      */
     public $parent_context;
 
-    /**
-     * @var array<string, Type\Union>
-     */
-    public $possible_param_types = [];
-
     /**
      * A list of vars that have been assigned to
      *
diff --git a/src/Psalm/Internal/Analyzer/CanAlias.php b/src/Psalm/Internal/Analyzer/CanAlias.php
index 91fa6e63e..fee3528df 100644
--- a/src/Psalm/Internal/Analyzer/CanAlias.php
+++ b/src/Psalm/Internal/Analyzer/CanAlias.php
@@ -72,8 +72,6 @@ trait CanAlias
                         // register the path
                         $codebase->use_referencing_locations[$use_path_lc][] =
                             new CodeLocation($this, $use);
-
-                        $codebase->use_referencing_files[$this->getFilePath()][$use_path_lc] = true;
                     }
 
                     if ($codebase->alter_code) {
diff --git a/src/Psalm/Internal/Analyzer/Statements/Block/IfElseAnalyzer.php b/src/Psalm/Internal/Analyzer/Statements/Block/IfElseAnalyzer.php
index da50a97cb..8381ad24e 100644
--- a/src/Psalm/Internal/Analyzer/Statements/Block/IfElseAnalyzer.php
+++ b/src/Psalm/Internal/Analyzer/Statements/Block/IfElseAnalyzer.php
@@ -459,12 +459,6 @@ class IfElseAnalyzer
             }
         }
 
-        if ($if_scope->possible_param_types) {
-            foreach ($if_scope->possible_param_types as $var => $type) {
-                $context->possible_param_types[$var] = $type;
-            }
-        }
-
         if ($if_scope->reasonable_clauses
             && (count($if_scope->reasonable_clauses) > 1 || !$if_scope->reasonable_clauses[0]->wedge)
         ) {
diff --git a/src/Psalm/Internal/PhpVisitor/Reflector/ClassLikeNodeScanner.php b/src/Psalm/Internal/PhpVisitor/Reflector/ClassLikeNodeScanner.php
index ebf77070a..fe53120f9 100644
--- a/src/Psalm/Internal/PhpVisitor/Reflector/ClassLikeNodeScanner.php
+++ b/src/Psalm/Internal/PhpVisitor/Reflector/ClassLikeNodeScanner.php
@@ -1285,19 +1285,6 @@ class ClassLikeNodeScanner
             }
 
             $constant_storage->description = $description;
-
-            foreach ($stmt->attrGroups as $attr_group) {
-                foreach ($attr_group->attrs as $attr) {
-                    $constant_storage->attributes[] = AttributeResolver::resolve(
-                        $this->codebase,
-                        $this->file_scanner,
-                        $this->file_storage,
-                        $this->aliases,
-                        $attr,
-                        $this->storage->name ?? null
-                    );
-                }
-            }
         }
     }
 
diff --git a/src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php b/src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php
index c3a741b20..fbe284129 100644
--- a/src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php
+++ b/src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php
@@ -1368,7 +1368,7 @@ class FunctionLikeDocblockScanner
     ): array {
         $storage->template_types = [];
 
-        foreach ($docblock_info->templates as $i => $template_map) {
+        foreach ($docblock_info->templates as $template_map) {
             $template_name = $template_map[0];
 
             if ($template_map[1] !== null && $template_map[2] !== null) {
@@ -1416,8 +1416,6 @@ class FunctionLikeDocblockScanner
                     'fn-' . strtolower($cased_function_id) => $template_type,
                 ];
             }
-
-            $storage->template_covariants[$i] = $template_map[3];
         }
 
         return array_merge($template_types ?: [], $storage->template_types);
diff --git a/src/Psalm/Internal/Scope/IfScope.php b/src/Psalm/Internal/Scope/IfScope.php
index 462ea6baa..c46d706b5 100644
--- a/src/Psalm/Internal/Scope/IfScope.php
+++ b/src/Psalm/Internal/Scope/IfScope.php
@@ -74,13 +74,6 @@ class IfScope
      */
     public $reasonable_clauses = [];
 
-    /**
-     * Variables that were mixed, but are no longer
-     *
-     * @var array<string, Type\Union>|null
-     */
-    public $possible_param_types;
-
     /**
      * @var string[]
      */
diff --git a/src/Psalm/Storage/ClassConstantStorage.php b/src/Psalm/Storage/ClassConstantStorage.php
index 9f28634a8..b0aa0e3a5 100644
--- a/src/Psalm/Storage/ClassConstantStorage.php
+++ b/src/Psalm/Storage/ClassConstantStorage.php
@@ -38,11 +38,6 @@ class ClassConstantStorage
      */
     public $deprecated = false;
 
-    /**
-     * @var list<AttributeStorage>
-     */
-    public $attributes = [];
-
     /**
      * @var ?string
      */
diff --git a/src/Psalm/Storage/FunctionLikeStorage.php b/src/Psalm/Storage/FunctionLikeStorage.php
index 4fab9a7b6..efbda28a9 100644
--- a/src/Psalm/Storage/FunctionLikeStorage.php
+++ b/src/Psalm/Storage/FunctionLikeStorage.php
@@ -120,11 +120,6 @@ abstract class FunctionLikeStorage
      */
     public $template_types;
 
-    /**
-     * @var array<int, bool>|null
-     */
-    public $template_covariants;
-
     /**
      * @var array<int, Assertion>
      */