diff --git a/src/Psalm/Internal/Analyzer/FunctionLikeAnalyzer.php b/src/Psalm/Internal/Analyzer/FunctionLikeAnalyzer.php
index 524a204ca..0cf5923e0 100644
--- a/src/Psalm/Internal/Analyzer/FunctionLikeAnalyzer.php
+++ b/src/Psalm/Internal/Analyzer/FunctionLikeAnalyzer.php
@@ -1624,16 +1624,6 @@ abstract class FunctionLikeAnalyzer extends SourceAnalyzer
         return [];
     }
 
-    public function getFQCLN(): ?string
-    {
-        return $this->source->getFQCLN();
-    }
-
-    public function getClassName(): ?string
-    {
-        return $this->source->getClassName();
-    }
-
     /**
      * @return array<string, array<string, Type\Union>>|null
      */
@@ -1647,16 +1637,6 @@ abstract class FunctionLikeAnalyzer extends SourceAnalyzer
         return $this->storage->template_types;
     }
 
-    public function getParentFQCLN(): ?string
-    {
-        return $this->source->getParentFQCLN();
-    }
-
-    public function getNodeTypeProvider() : \Psalm\NodeTypeProvider
-    {
-        return $this->source->getNodeTypeProvider();
-    }
-
     public function isStatic(): bool
     {
         return $this->is_static;
diff --git a/src/Psalm/Type/Atomic/TCallableArray.php b/src/Psalm/Type/Atomic/TCallableArray.php
index aa484aa89..5caffc595 100644
--- a/src/Psalm/Type/Atomic/TCallableArray.php
+++ b/src/Psalm/Type/Atomic/TCallableArray.php
@@ -11,8 +11,4 @@ class TCallableArray extends TNonEmptyArray
      */
     public $value = 'callable-array';
 
-    public function getKey(bool $include_extra = true): string
-    {
-        return 'array';
-    }
 }
diff --git a/src/Psalm/Type/Atomic/TIntMask.php b/src/Psalm/Type/Atomic/TIntMask.php
index 95a08d444..abb1e0cbf 100644
--- a/src/Psalm/Type/Atomic/TIntMask.php
+++ b/src/Psalm/Type/Atomic/TIntMask.php
@@ -40,19 +40,6 @@ class TIntMask extends TInt
         return 'int-mask<' . substr($s, 0, -2) . '>';
     }
 
-    /**
-     * @param  array<lowercase-string, string> $aliased_classes
-     */
-    public function toPhpString(
-        ?string $namespace,
-        array $aliased_classes,
-        ?string $this_class,
-        int $php_major_version,
-        int $php_minor_version
-    ): ?string {
-        return $php_major_version >= 7 ? 'int' : null;
-    }
-
     /**
      * @param  array<lowercase-string, string> $aliased_classes
      *
diff --git a/src/Psalm/Type/Atomic/TIntMaskOf.php b/src/Psalm/Type/Atomic/TIntMaskOf.php
index 27e3f80a5..de4f36c29 100644
--- a/src/Psalm/Type/Atomic/TIntMaskOf.php
+++ b/src/Psalm/Type/Atomic/TIntMaskOf.php
@@ -29,19 +29,6 @@ class TIntMaskOf extends TInt
         return $this->getKey();
     }
 
-    /**
-     * @param  array<lowercase-string, string> $aliased_classes
-     */
-    public function toPhpString(
-        ?string $namespace,
-        array $aliased_classes,
-        ?string $this_class,
-        int $php_major_version,
-        int $php_minor_version
-    ): ?string {
-        return $php_major_version >= 7 ? 'int' : null;
-    }
-
     /**
      * @param array<lowercase-string, string> $aliased_classes
      */
diff --git a/src/Psalm/Type/Atomic/TIntRange.php b/src/Psalm/Type/Atomic/TIntRange.php
index 002a09925..0f8032e38 100644
--- a/src/Psalm/Type/Atomic/TIntRange.php
+++ b/src/Psalm/Type/Atomic/TIntRange.php
@@ -42,19 +42,6 @@ class TIntRange extends TInt
         return false;
     }
 
-    /**
-     * @param array<lowercase-string, string> $aliased_classes
-     */
-    public function toPhpString(
-        ?string $namespace,
-        array $aliased_classes,
-        ?string $this_class,
-        int $php_major_version,
-        int $php_minor_version
-    ): ?string {
-        return $php_major_version >= 7 ? 'int' : null;
-    }
-
     /**
      * @param array<lowercase-string, string> $aliased_classes
      */
diff --git a/src/Psalm/Type/Atomic/TLiteralFloat.php b/src/Psalm/Type/Atomic/TLiteralFloat.php
index 062603803..7b2ce34a8 100644
--- a/src/Psalm/Type/Atomic/TLiteralFloat.php
+++ b/src/Psalm/Type/Atomic/TLiteralFloat.php
@@ -24,19 +24,6 @@ class TLiteralFloat extends TFloat
         return 'float(' . $this->value . ')';
     }
 
-    /**
-     * @param  array<lowercase-string, string> $aliased_classes
-     */
-    public function toPhpString(
-        ?string $namespace,
-        array $aliased_classes,
-        ?string $this_class,
-        int $php_major_version,
-        int $php_minor_version
-    ): ?string {
-        return $php_major_version >= 7 ? 'float' : null;
-    }
-
     /**
      * @param  array<lowercase-string, string> $aliased_classes
      *
diff --git a/src/Psalm/Type/Atomic/TLiteralInt.php b/src/Psalm/Type/Atomic/TLiteralInt.php
index 1666ca85c..1b0abec1b 100644
--- a/src/Psalm/Type/Atomic/TLiteralInt.php
+++ b/src/Psalm/Type/Atomic/TLiteralInt.php
@@ -29,19 +29,6 @@ class TLiteralInt extends TInt
         return 'int(' . $this->value . ')';
     }
 
-    /**
-     * @param  array<lowercase-string, string> $aliased_classes
-     */
-    public function toPhpString(
-        ?string $namespace,
-        array $aliased_classes,
-        ?string $this_class,
-        int $php_major_version,
-        int $php_minor_version
-    ): ?string {
-        return $php_major_version >= 7 ? 'int' : null;
-    }
-
     /**
      * @param  array<lowercase-string, string> $aliased_classes
      *
diff --git a/src/Psalm/Type/Atomic/TLiteralString.php b/src/Psalm/Type/Atomic/TLiteralString.php
index e16aa54c4..e59c92e41 100644
--- a/src/Psalm/Type/Atomic/TLiteralString.php
+++ b/src/Psalm/Type/Atomic/TLiteralString.php
@@ -23,11 +23,6 @@ class TLiteralString extends TString
         return 'string(' . $this->value . ')';
     }
 
-    public function __toString(): string
-    {
-        return 'string';
-    }
-
     public function getId(bool $nested = false): string
     {
         // quote control characters, backslashes and double quote
@@ -44,19 +39,6 @@ class TLiteralString extends TString
         return 'string(' . $this->value . ')';
     }
 
-    /**
-     * @param  array<lowercase-string, string> $aliased_classes
-     */
-    public function toPhpString(
-        ?string $namespace,
-        array $aliased_classes,
-        ?string $this_class,
-        int $php_major_version,
-        int $php_minor_version
-    ): ?string {
-        return $php_major_version >= 7 ? 'string' : null;
-    }
-
     /**
      * @param  array<lowercase-string, string> $aliased_classes
      *
diff --git a/src/Psalm/Type/Atomic/TLowercaseString.php b/src/Psalm/Type/Atomic/TLowercaseString.php
index cb78b5200..b8414be8c 100644
--- a/src/Psalm/Type/Atomic/TLowercaseString.php
+++ b/src/Psalm/Type/Atomic/TLowercaseString.php
@@ -3,11 +3,6 @@ namespace Psalm\Type\Atomic;
 
 class TLowercaseString extends TString
 {
-    public function getKey(bool $include_extra = true): string
-    {
-        return 'string';
-    }
-
     public function getId(bool $nested = false): string
     {
         return 'lowercase-string';
diff --git a/src/Psalm/Type/Atomic/TNonEmptyLowercaseString.php b/src/Psalm/Type/Atomic/TNonEmptyLowercaseString.php
index d01324013..3ab6ab6bf 100644
--- a/src/Psalm/Type/Atomic/TNonEmptyLowercaseString.php
+++ b/src/Psalm/Type/Atomic/TNonEmptyLowercaseString.php
@@ -6,11 +6,6 @@ namespace Psalm\Type\Atomic;
  */
 class TNonEmptyLowercaseString extends TNonEmptyString
 {
-    public function getKey(bool $include_extra = true): string
-    {
-        return 'string';
-    }
-
     public function getId(bool $nested = false): string
     {
         return 'non-empty-lowercase-string';
diff --git a/src/Psalm/Type/Atomic/TNonEmptyNonspecificLiteralString.php b/src/Psalm/Type/Atomic/TNonEmptyNonspecificLiteralString.php
index 4b6f5657a..9eee2fd1f 100644
--- a/src/Psalm/Type/Atomic/TNonEmptyNonspecificLiteralString.php
+++ b/src/Psalm/Type/Atomic/TNonEmptyNonspecificLiteralString.php
@@ -7,11 +7,6 @@ namespace Psalm\Type\Atomic;
  */
 class TNonEmptyNonspecificLiteralString extends TNonspecificLiteralString
 {
-    public function getKey(bool $include_extra = true): string
-    {
-        return 'string';
-    }
-
     public function getId(bool $nested = false): string
     {
         return 'non-empty-literal-string';
diff --git a/src/Psalm/Type/Atomic/TNonspecificLiteralInt.php b/src/Psalm/Type/Atomic/TNonspecificLiteralInt.php
index 99e20ef04..09481333a 100644
--- a/src/Psalm/Type/Atomic/TNonspecificLiteralInt.php
+++ b/src/Psalm/Type/Atomic/TNonspecificLiteralInt.php
@@ -12,11 +12,6 @@ class TNonspecificLiteralInt extends TInt
         return 'literal-int';
     }
 
-    public function getKey(bool $include_extra = true) : string
-    {
-        return 'int';
-    }
-
     public function canBeFullyExpressedInPhp(int $php_major_version, int $php_minor_version): bool
     {
         return false;
diff --git a/src/Psalm/Type/Atomic/TNonspecificLiteralString.php b/src/Psalm/Type/Atomic/TNonspecificLiteralString.php
index 5a688b596..4d57f6378 100644
--- a/src/Psalm/Type/Atomic/TNonspecificLiteralString.php
+++ b/src/Psalm/Type/Atomic/TNonspecificLiteralString.php
@@ -12,11 +12,6 @@ class TNonspecificLiteralString extends TString
         return 'literal-string';
     }
 
-    public function getKey(bool $include_extra = true) : string
-    {
-        return 'string';
-    }
-
     public function canBeFullyExpressedInPhp(int $php_major_version, int $php_minor_version): bool
     {
         return false;
diff --git a/src/Psalm/Type/Atomic/TTemplateIndexedAccess.php b/src/Psalm/Type/Atomic/TTemplateIndexedAccess.php
index 517e12ff5..c64dec91c 100644
--- a/src/Psalm/Type/Atomic/TTemplateIndexedAccess.php
+++ b/src/Psalm/Type/Atomic/TTemplateIndexedAccess.php
@@ -61,16 +61,4 @@ class TTemplateIndexedAccess extends \Psalm\Type\Atomic
         return false;
     }
 
-    /**
-     * @param  array<lowercase-string, string> $aliased_classes
-     *
-     */
-    public function toNamespacedString(
-        ?string $namespace,
-        array $aliased_classes,
-        ?string $this_class,
-        bool $use_phpdoc_format
-    ): string {
-        return $this->getKey();
-    }
 }
diff --git a/src/Psalm/Type/Atomic/TTemplateKeyOf.php b/src/Psalm/Type/Atomic/TTemplateKeyOf.php
index 09958050b..f0982d039 100644
--- a/src/Psalm/Type/Atomic/TTemplateKeyOf.php
+++ b/src/Psalm/Type/Atomic/TTemplateKeyOf.php
@@ -48,27 +48,6 @@ class TTemplateKeyOf extends TArrayKey
         return 'key-of<' . $this->param_name . ':' . $this->defining_class . ' as ' . $this->as->getId() . '>';
     }
 
-    /**
-     * @param  array<lowercase-string, string> $aliased_classes
-     */
-    public function toPhpString(
-        ?string $namespace,
-        array $aliased_classes,
-        ?string $this_class,
-        int $php_major_version,
-        int $php_minor_version
-    ): ?string {
-        return null;
-    }
-
-    /**
-     * @return false
-     */
-    public function canBeFullyExpressedInPhp(int $php_major_version, int $php_minor_version): bool
-    {
-        return false;
-    }
-
     /**
      * @param array<lowercase-string, string> $aliased_classes
      */
diff --git a/src/Psalm/Type/Atomic/TTemplateParamClass.php b/src/Psalm/Type/Atomic/TTemplateParamClass.php
index 6dca3507d..3464dfe6b 100644
--- a/src/Psalm/Type/Atomic/TTemplateParamClass.php
+++ b/src/Psalm/Type/Atomic/TTemplateParamClass.php
@@ -49,24 +49,6 @@ class TTemplateParamClass extends TClassString
         return 'class-string<' . $this->param_name . '>';
     }
 
-    /**
-     * @param  array<lowercase-string, string> $aliased_classes
-     */
-    public function toPhpString(
-        ?string $namespace,
-        array $aliased_classes,
-        ?string $this_class,
-        int $php_major_version,
-        int $php_minor_version
-    ): ?string {
-        return 'string';
-    }
-
-    public function canBeFullyExpressedInPhp(int $php_major_version, int $php_minor_version): bool
-    {
-        return false;
-    }
-
     /**
      * @param  array<lowercase-string, string> $aliased_classes
      *
@@ -80,8 +62,4 @@ class TTemplateParamClass extends TClassString
         return $this->param_name . '::class';
     }
 
-    public function getChildNodes() : array
-    {
-        return $this->as_type ? [$this->as_type] : [];
-    }
 }
diff --git a/src/Psalm/Type/Atomic/TTypeAlias.php b/src/Psalm/Type/Atomic/TTypeAlias.php
index 197afd0a1..1003c288c 100644
--- a/src/Psalm/Type/Atomic/TTypeAlias.php
+++ b/src/Psalm/Type/Atomic/TTypeAlias.php
@@ -78,19 +78,6 @@ class TTypeAlias extends \Psalm\Type\Atomic
         return false;
     }
 
-    /**
-     * @param  array<lowercase-string, string> $aliased_classes
-     *
-     */
-    public function toNamespacedString(
-        ?string $namespace,
-        array $aliased_classes,
-        ?string $this_class,
-        bool $use_phpdoc_format
-    ): string {
-        return $this->getKey();
-    }
-
     public function getAssertionString(bool $exact = false): string
     {
         return 'mixed';