diff --git a/CodeGeneration/Sources/SyntaxSupport/DeclNodes.swift b/CodeGeneration/Sources/SyntaxSupport/DeclNodes.swift
index 5dca064e5d3..a3f57be2621 100644
--- a/CodeGeneration/Sources/SyntaxSupport/DeclNodes.swift
+++ b/CodeGeneration/Sources/SyntaxSupport/DeclNodes.swift
@@ -466,7 +466,6 @@ public let DECL_NODES: [Node] = [
           .keyword(.private),
           .keyword(.public),
           .keyword(.reasync),
-          .keyword(._resultDependsOnSelf),
           .keyword(.required),
           .keyword(.static),
           .keyword(.transferring),
diff --git a/CodeGeneration/Sources/SyntaxSupport/KeywordSpec.swift b/CodeGeneration/Sources/SyntaxSupport/KeywordSpec.swift
index 9b3ec7292d0..06f30bd3784 100644
--- a/CodeGeneration/Sources/SyntaxSupport/KeywordSpec.swift
+++ b/CodeGeneration/Sources/SyntaxSupport/KeywordSpec.swift
@@ -253,8 +253,6 @@ public enum Keyword: CaseIterable {
   case renamed
   case `repeat`
   case required
-  case _resultDependsOn
-  case _resultDependsOnSelf
   case `rethrows`
   case retroactive
   case `return`
@@ -643,10 +641,6 @@ public enum Keyword: CaseIterable {
       return KeywordSpec("repeat", isLexerClassified: true)
     case .required:
       return KeywordSpec("required")
-    case ._resultDependsOn:
-      return KeywordSpec("_resultDependsOn", experimentalFeature: .nonescapableTypes)
-    case ._resultDependsOnSelf:
-      return KeywordSpec("_resultDependsOnSelf", experimentalFeature: .nonescapableTypes)
     case .rethrows:
       return KeywordSpec("rethrows", isLexerClassified: true)
     case .retroactive:
diff --git a/CodeGeneration/Sources/SyntaxSupport/TypeNodes.swift b/CodeGeneration/Sources/SyntaxSupport/TypeNodes.swift
index 93a0740043d..87354aeaaaf 100644
--- a/CodeGeneration/Sources/SyntaxSupport/TypeNodes.swift
+++ b/CodeGeneration/Sources/SyntaxSupport/TypeNodes.swift
@@ -592,7 +592,6 @@ public let TYPE_NODES: [Node] = [
           .keyword(.borrowing),
           .keyword(.consuming),
           .keyword(.transferring),
-          .keyword(._resultDependsOn),
           .keyword(.sending),
         ]),
         documentation: "The specifier token that's attached to the type."
diff --git a/Sources/SwiftParser/Declarations.swift b/Sources/SwiftParser/Declarations.swift
index 240e8661a2b..0fc05cc60e1 100644
--- a/Sources/SwiftParser/Declarations.swift
+++ b/Sources/SwiftParser/Declarations.swift
@@ -22,7 +22,7 @@ extension DeclarationModifier {
     case .__consuming, .__setter_access, ._const, ._local, .async,
       .borrowing, .class, .consuming, .convenience, .distributed, .dynamic,
       .final, .indirect, .infix, .isolated, .lazy, .mutating, .nonmutating,
-      .optional, .override, .postfix, .prefix, .reasync, ._resultDependsOn, ._resultDependsOnSelf, .required,
+      .optional, .override, .postfix, .prefix, .reasync, .required,
       .rethrows, .static, .weak, .transferring, .sending:
       return false
     case .fileprivate, .internal, .nonisolated, .package, .open, .private,
diff --git a/Sources/SwiftParser/Modifiers.swift b/Sources/SwiftParser/Modifiers.swift
index 9f29fae0b5a..d53c4d3b95d 100644
--- a/Sources/SwiftParser/Modifiers.swift
+++ b/Sources/SwiftParser/Modifiers.swift
@@ -89,8 +89,7 @@ extension Parser {
         (.declarationModifier(._const), let handle)?,
         (.declarationModifier(._local), let handle)?,
         (.declarationModifier(.__setter_access), let handle)?,
-        (.declarationModifier(.reasync), let handle)?,
-        (.declarationModifier(._resultDependsOnSelf), let handle)?
+        (.declarationModifier(.reasync), let handle)?
       where experimentalFeatures.contains(.nonescapableTypes):
         let (unexpectedBeforeKeyword, keyword) = self.eat(handle)
         elements.append(RawDeclModifierSyntax(unexpectedBeforeKeyword, name: keyword, detail: nil, arena: self.arena))
diff --git a/Sources/SwiftParser/Patterns.swift b/Sources/SwiftParser/Patterns.swift
index 1adb1c095e6..45e2db3106f 100644
--- a/Sources/SwiftParser/Patterns.swift
+++ b/Sources/SwiftParser/Patterns.swift
@@ -379,7 +379,6 @@ extension Parser.Lookahead {
         && !self.at(.keyword(.consuming))
         && !(experimentalFeatures.contains(.transferringArgsAndResults) && self.at(.keyword(.transferring)))
         && !(experimentalFeatures.contains(.sendingArgsAndResults) && self.at(.keyword(.sending)))
-        && !(experimentalFeatures.contains(.nonescapableTypes) && self.at(.keyword(._resultDependsOn)))
       {
         return true
       }
diff --git a/Sources/SwiftParser/TokenPrecedence.swift b/Sources/SwiftParser/TokenPrecedence.swift
index fa80dc81a31..dd77a5a64a2 100644
--- a/Sources/SwiftParser/TokenPrecedence.swift
+++ b/Sources/SwiftParser/TokenPrecedence.swift
@@ -235,8 +235,7 @@ enum TokenPrecedence: Comparable {
       .__consuming, .final, .required, .optional, .lazy, .dynamic, .infix, .postfix, .prefix, .mutating, .nonmutating,
       .convenience, .override, .package, .open,
       .__setter_access, .indirect, .isolated, .nonisolated, .distributed, ._local,
-      .inout, ._mutating, ._borrow, ._borrowing, .borrowing, ._consuming, .consuming, .consume, ._resultDependsOnSelf,
-      ._resultDependsOn,
+      .inout, ._mutating, ._borrow, ._borrowing, .borrowing, ._consuming, .consuming, .consume,
       .transferring, .dependsOn, .scoped, .sending,
       // Accessors
       .get, .set, .didSet, .willSet, .unsafeAddress, .addressWithOwner, .addressWithNativeOwner, .unsafeMutableAddress,
diff --git a/Sources/SwiftParser/TokenSpecSet.swift b/Sources/SwiftParser/TokenSpecSet.swift
index 694cb5f8ae8..cdc11778df0 100644
--- a/Sources/SwiftParser/TokenSpecSet.swift
+++ b/Sources/SwiftParser/TokenSpecSet.swift
@@ -382,8 +382,6 @@ enum DeclarationModifier: TokenSpecSet {
   case transferring
   case unowned
   case weak
-  case _resultDependsOn
-  case _resultDependsOnSelf
 
   init?(lexeme: Lexer.Lexeme, experimentalFeatures: Parser.ExperimentalFeatures) {
     switch PrepareForKeywordMatch(lexeme) {
@@ -424,9 +422,6 @@ enum DeclarationModifier: TokenSpecSet {
     case TokenSpec(.sending): self = .sending
     case TokenSpec(.unowned): self = .unowned
     case TokenSpec(.weak): self = .weak
-    case TokenSpec(._resultDependsOn) where experimentalFeatures.contains(.nonescapableTypes): self = ._resultDependsOn
-    case TokenSpec(._resultDependsOnSelf) where experimentalFeatures.contains(.nonescapableTypes):
-      self = ._resultDependsOnSelf
     default: return nil
     }
   }
@@ -470,8 +465,6 @@ enum DeclarationModifier: TokenSpecSet {
     case .sending: return .keyword(.sending)
     case .unowned: return TokenSpec(.unowned, recoveryPrecedence: .declKeyword)
     case .weak: return TokenSpec(.weak, recoveryPrecedence: .declKeyword)
-    case ._resultDependsOn: return TokenSpec(._resultDependsOn, recoveryPrecedence: .declKeyword)
-    case ._resultDependsOnSelf: return TokenSpec(._resultDependsOnSelf, recoveryPrecedence: .declKeyword)
     }
   }
 }
diff --git a/Sources/SwiftParser/generated/Parser+TokenSpecSet.swift b/Sources/SwiftParser/generated/Parser+TokenSpecSet.swift
index b23408afece..9c5ce1ef7bb 100644
--- a/Sources/SwiftParser/generated/Parser+TokenSpecSet.swift
+++ b/Sources/SwiftParser/generated/Parser+TokenSpecSet.swift
@@ -802,10 +802,6 @@ extension DeclModifierSyntax {
     case `private`
     case `public`
     case reasync
-    #if compiler(>=5.8)
-    @_spi(ExperimentalLanguageFeatures)
-    #endif
-    case _resultDependsOnSelf
     case required
     case `static`
     #if compiler(>=5.8)
@@ -883,8 +879,6 @@ extension DeclModifierSyntax {
         self = .public
       case TokenSpec(.reasync):
         self = .reasync
-      case TokenSpec(._resultDependsOnSelf) where experimentalFeatures.contains(.nonescapableTypes):
-        self = ._resultDependsOnSelf
       case TokenSpec(.required):
         self = .required
       case TokenSpec(.static):
@@ -966,8 +960,6 @@ extension DeclModifierSyntax {
         self = .public
       case TokenSpec(.reasync):
         self = .reasync
-      case TokenSpec(._resultDependsOnSelf):
-        self = ._resultDependsOnSelf
       case TokenSpec(.required):
         self = .required
       case TokenSpec(.static):
@@ -1049,8 +1041,6 @@ extension DeclModifierSyntax {
         return .keyword(.public)
       case .reasync:
         return .keyword(.reasync)
-      case ._resultDependsOnSelf:
-        return .keyword(._resultDependsOnSelf)
       case .required:
         return .keyword(.required)
       case .static:
@@ -1134,8 +1124,6 @@ extension DeclModifierSyntax {
         return .keyword(.public)
       case .reasync:
         return .keyword(.reasync)
-      case ._resultDependsOnSelf:
-        return .keyword(._resultDependsOnSelf)
       case .required:
         return .keyword(.required)
       case .static:
@@ -3358,10 +3346,6 @@ extension SimpleTypeSpecifierSyntax {
     #if compiler(>=5.8)
     @_spi(ExperimentalLanguageFeatures)
     #endif
-    case _resultDependsOn
-    #if compiler(>=5.8)
-    @_spi(ExperimentalLanguageFeatures)
-    #endif
     case sending
     
     init?(lexeme: Lexer.Lexeme, experimentalFeatures: Parser.ExperimentalFeatures) {
@@ -3382,8 +3366,6 @@ extension SimpleTypeSpecifierSyntax {
         self = .consuming
       case TokenSpec(.transferring) where experimentalFeatures.contains(.transferringArgsAndResults):
         self = .transferring
-      case TokenSpec(._resultDependsOn) where experimentalFeatures.contains(.nonescapableTypes):
-        self = ._resultDependsOn
       case TokenSpec(.sending) where experimentalFeatures.contains(.sendingArgsAndResults):
         self = .sending
       default:
@@ -3409,8 +3391,6 @@ extension SimpleTypeSpecifierSyntax {
         self = .consuming
       case TokenSpec(.transferring):
         self = .transferring
-      case TokenSpec(._resultDependsOn):
-        self = ._resultDependsOn
       case TokenSpec(.sending):
         self = .sending
       default:
@@ -3436,8 +3416,6 @@ extension SimpleTypeSpecifierSyntax {
         return .keyword(.consuming)
       case .transferring:
         return .keyword(.transferring)
-      case ._resultDependsOn:
-        return .keyword(._resultDependsOn)
       case .sending:
         return .keyword(.sending)
       }
@@ -3465,8 +3443,6 @@ extension SimpleTypeSpecifierSyntax {
         return .keyword(.consuming)
       case .transferring:
         return .keyword(.transferring)
-      case ._resultDependsOn:
-        return .keyword(._resultDependsOn)
       case .sending:
         return .keyword(.sending)
       }
diff --git a/Sources/SwiftSyntax/generated/Keyword.swift b/Sources/SwiftSyntax/generated/Keyword.swift
index e0bde33ba27..96f5d94410c 100644
--- a/Sources/SwiftSyntax/generated/Keyword.swift
+++ b/Sources/SwiftSyntax/generated/Keyword.swift
@@ -192,14 +192,6 @@ public enum Keyword: UInt8, Hashable, Sendable {
   case renamed
   case `repeat`
   case required
-  #if compiler(>=5.8)
-  @_spi(ExperimentalLanguageFeatures)
-  #endif
-  case _resultDependsOn
-  #if compiler(>=5.8)
-  @_spi(ExperimentalLanguageFeatures)
-  #endif
-  case _resultDependsOnSelf
   case `rethrows`
   case retroactive
   case `return`
@@ -733,8 +725,6 @@ public enum Keyword: UInt8, Hashable, Sendable {
         self = ._objcRuntimeName
       case "addressWithOwner":
         self = .addressWithOwner
-      case "_resultDependsOn":
-        self = ._resultDependsOn
       default:
         return nil
       }
@@ -771,8 +761,6 @@ public enum Keyword: UInt8, Hashable, Sendable {
         self = ._compilerInitialized
       case "_originallyDefinedIn":
         self = ._originallyDefinedIn
-      case "_resultDependsOnSelf":
-        self = ._resultDependsOnSelf
       case "unsafeMutableAddress":
         self = .unsafeMutableAddress
       default:
@@ -998,8 +986,6 @@ public enum Keyword: UInt8, Hashable, Sendable {
       "renamed", 
       "repeat", 
       "required", 
-      "_resultDependsOn", 
-      "_resultDependsOnSelf", 
       "rethrows", 
       "retroactive", 
       "return", 
diff --git a/Sources/SwiftSyntax/generated/raw/RawSyntaxValidation.swift b/Sources/SwiftSyntax/generated/raw/RawSyntaxValidation.swift
index a89af563bba..b98c190d2a1 100644
--- a/Sources/SwiftSyntax/generated/raw/RawSyntaxValidation.swift
+++ b/Sources/SwiftSyntax/generated/raw/RawSyntaxValidation.swift
@@ -794,7 +794,6 @@ func validateLayout(layout: RawSyntaxBuffer, as kind: SyntaxKind) {
             .keyword("private"), 
             .keyword("public"), 
             .keyword("reasync"), 
-            .keyword("_resultDependsOnSelf"), 
             .keyword("required"), 
             .keyword("static"), 
             .keyword("transferring"), 
@@ -2299,7 +2298,6 @@ func validateLayout(layout: RawSyntaxBuffer, as kind: SyntaxKind) {
             .keyword("borrowing"), 
             .keyword("consuming"), 
             .keyword("transferring"), 
-            .keyword("_resultDependsOn"), 
             .keyword("sending")
           ]))
     assertNoError(kind, 2, verify(layout[2], as: RawUnexpectedNodesSyntax?.self))
diff --git a/Sources/SwiftSyntax/generated/syntaxNodes/SyntaxNodesD.swift b/Sources/SwiftSyntax/generated/syntaxNodes/SyntaxNodesD.swift
index 1a407a0fdb1..a40573da17d 100644
--- a/Sources/SwiftSyntax/generated/syntaxNodes/SyntaxNodesD.swift
+++ b/Sources/SwiftSyntax/generated/syntaxNodes/SyntaxNodesD.swift
@@ -169,7 +169,7 @@ public struct DeclModifierDetailSyntax: SyntaxProtocol, SyntaxHashable, _LeafSyn
 
 /// ### Children
 /// 
-///  - `name`: (`__consuming` | `__setter_access` | `_const` | `_local` | `actor` | `async` | `borrowing` | `class` | `consuming` | `convenience` | `distributed` | `dynamic` | `fileprivate` | `final` | `indirect` | `infix` | `internal` | `isolated` | `lazy` | `mutating` | `nonisolated` | `nonmutating` | `open` | `optional` | `override` | `package` | `postfix` | `prefix` | `private` | `public` | `reasync` | `_resultDependsOnSelf` | `required` | `static` | `transferring` | `unowned` | `weak` | `sending`)
+///  - `name`: (`__consuming` | `__setter_access` | `_const` | `_local` | `actor` | `async` | `borrowing` | `class` | `consuming` | `convenience` | `distributed` | `dynamic` | `fileprivate` | `final` | `indirect` | `infix` | `internal` | `isolated` | `lazy` | `mutating` | `nonisolated` | `nonmutating` | `open` | `optional` | `override` | `package` | `postfix` | `prefix` | `private` | `public` | `reasync` | `required` | `static` | `transferring` | `unowned` | `weak` | `sending`)
 ///  - `detail`: ``DeclModifierDetailSyntax``?
 ///
 /// ### Contained in
@@ -270,7 +270,6 @@ public struct DeclModifierSyntax: SyntaxProtocol, SyntaxHashable, _LeafSyntaxNod
   ///  - `private`
   ///  - `public`
   ///  - `reasync`
-  ///  - `_resultDependsOnSelf`
   ///  - `required`
   ///  - `static`
   ///  - `transferring`
diff --git a/Sources/SwiftSyntax/generated/syntaxNodes/SyntaxNodesQRS.swift b/Sources/SwiftSyntax/generated/syntaxNodes/SyntaxNodesQRS.swift
index 1a9479daec9..edeb9451c43 100644
--- a/Sources/SwiftSyntax/generated/syntaxNodes/SyntaxNodesQRS.swift
+++ b/Sources/SwiftSyntax/generated/syntaxNodes/SyntaxNodesQRS.swift
@@ -1090,7 +1090,7 @@ public struct SimpleStringLiteralExprSyntax: ExprSyntaxProtocol, SyntaxHashable,
 ///
 /// ### Children
 /// 
-///  - `specifier`: (`inout` | `__shared` | `__owned` | `isolated` | `_const` | `borrowing` | `consuming` | `transferring` | `_resultDependsOn` | `sending`)
+///  - `specifier`: (`inout` | `__shared` | `__owned` | `isolated` | `_const` | `borrowing` | `consuming` | `transferring` | `sending`)
 ///
 /// ### Contained in
 /// 
@@ -1155,7 +1155,6 @@ public struct SimpleTypeSpecifierSyntax: SyntaxProtocol, SyntaxHashable, _LeafSy
   ///  - `borrowing`
   ///  - `consuming`
   ///  - `transferring`
-  ///  - `_resultDependsOn`
   ///  - `sending`
   public var specifier: TokenSyntax {
     get {
diff --git a/Tests/SwiftParserTest/DeclarationTests.swift b/Tests/SwiftParserTest/DeclarationTests.swift
index 2ffe015603d..92582224963 100644
--- a/Tests/SwiftParserTest/DeclarationTests.swift
+++ b/Tests/SwiftParserTest/DeclarationTests.swift
@@ -3225,52 +3225,6 @@ final class DeclarationTests: ParserTestCase {
     )
   }
 
-  func testResultDependsOnSelf() {
-    assertParse(
-      """
-      class MethodModifiers {
-         _resultDependsOnSelf func getDependentResult() -> Builtin.NativeObject {
-           return Builtin.unsafeCastToNativeObject(self)
-         }
-       }
-      """,
-      experimentalFeatures: .nonescapableTypes
-    )
-
-    assertParse(
-      """
-        class MethodModifiers {
-           _resultDependsOnSelf func _resultDependsOnSelf() -> Builtin.NativeObject {
-             return Builtin.unsafeCastToNativeObject(self)
-           }
-         }
-      """,
-      experimentalFeatures: .nonescapableTypes
-    )
-  }
-
-  func testResultDependsOn() {
-    assertParse(
-      """
-        class Klass {}
-        func testTypeSpecifier(x : _resultDependsOn Klass) -> Builtin.NativeObject {
-          return Builtin.unsafeCastToNativeObject(x)
-        }
-      """,
-      experimentalFeatures: .nonescapableTypes
-    )
-
-    assertParse(
-      """
-        class Klass {}
-        func testMultipleTypeSpecifier(x : _resultDependsOn Klass, y : _resultDependsOn Klass) -> (Builtin.NativeObject, Builtin.NativeObject) {
-          return (Builtin.unsafeCastToNativeObject(x), Builtin.unsafeCastToNativeObject(x))
-        }
-      """,
-      experimentalFeatures: .nonescapableTypes
-    )
-  }
-
   func testDeclarationEndingWithNewline() {
     let inputs: [UInt: String] = [
       #line: "var x = 0\n",