diff --git a/cmd/bundle/gotypesalias.go b/cmd/bundle/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/cmd/bundle/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/cmd/callgraph/gotypesalias.go b/cmd/callgraph/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/cmd/callgraph/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/cmd/deadcode/gotypesalias.go b/cmd/deadcode/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/cmd/deadcode/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/cmd/eg/gotypesalias.go b/cmd/eg/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/cmd/eg/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/cmd/godex/gotypesalias.go b/cmd/godex/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/cmd/godex/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/cmd/godoc/gotypesalias.go b/cmd/godoc/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/cmd/godoc/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/cmd/goimports/gotypesalias.go b/cmd/goimports/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/cmd/goimports/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/cmd/gomvpkg/gotypesalias.go b/cmd/gomvpkg/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/cmd/gomvpkg/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/cmd/gotype/gotypesalias.go b/cmd/gotype/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/cmd/gotype/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/cmd/ssadump/gotypesalias.go b/cmd/ssadump/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/cmd/ssadump/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/cmd/stringer/gotypesalias.go b/cmd/stringer/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/cmd/stringer/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go.mod b/go.mod
index 9edfc58936d..bc7636b4cf8 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module golang.org/x/tools
 
-go 1.23.0 // => default GODEBUG has gotypesalias=0
+go 1.23.0
 
 require (
 	github.com/google/go-cmp v0.6.0
diff --git a/go/analysis/passes/defers/cmd/defers/gotypesalias.go b/go/analysis/passes/defers/cmd/defers/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/analysis/passes/defers/cmd/defers/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/analysis/passes/fieldalignment/cmd/fieldalignment/gotypesalias.go b/go/analysis/passes/fieldalignment/cmd/fieldalignment/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/analysis/passes/fieldalignment/cmd/fieldalignment/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/analysis/passes/findcall/cmd/findcall/gotypesalias.go b/go/analysis/passes/findcall/cmd/findcall/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/analysis/passes/findcall/cmd/findcall/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/analysis/passes/httpmux/cmd/httpmux/gotypesalias.go b/go/analysis/passes/httpmux/cmd/httpmux/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/analysis/passes/httpmux/cmd/httpmux/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/analysis/passes/ifaceassert/cmd/ifaceassert/gotypesalias.go b/go/analysis/passes/ifaceassert/cmd/ifaceassert/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/analysis/passes/ifaceassert/cmd/ifaceassert/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/analysis/passes/lostcancel/cmd/lostcancel/gotypesalias.go b/go/analysis/passes/lostcancel/cmd/lostcancel/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/analysis/passes/lostcancel/cmd/lostcancel/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/analysis/passes/nilness/cmd/nilness/gotypesalias.go b/go/analysis/passes/nilness/cmd/nilness/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/analysis/passes/nilness/cmd/nilness/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/analysis/passes/shadow/cmd/shadow/gotypesalias.go b/go/analysis/passes/shadow/cmd/shadow/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/analysis/passes/shadow/cmd/shadow/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/analysis/passes/stringintconv/cmd/stringintconv/gotypesalias.go b/go/analysis/passes/stringintconv/cmd/stringintconv/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/analysis/passes/stringintconv/cmd/stringintconv/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/analysis/passes/unmarshal/cmd/unmarshal/gotypesalias.go b/go/analysis/passes/unmarshal/cmd/unmarshal/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/analysis/passes/unmarshal/cmd/unmarshal/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/analysis/passes/unusedresult/cmd/unusedresult/gotypesalias.go b/go/analysis/passes/unusedresult/cmd/unusedresult/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/analysis/passes/unusedresult/cmd/unusedresult/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/packages/gopackages/gotypesalias.go b/go/packages/gopackages/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/packages/gopackages/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/packages/internal/nodecount/gotypesalias.go b/go/packages/internal/nodecount/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/packages/internal/nodecount/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).
diff --git a/go/types/internal/play/gotypesalias.go b/go/types/internal/play/gotypesalias.go
deleted file mode 100644
index 288c10c2d0a..00000000000
--- a/go/types/internal/play/gotypesalias.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.23
-
-//go:debug gotypesalias=1
-
-package main
-
-// Materialize aliases whenever the go toolchain version is after 1.23 (#69772).
-// Remove this file after go.mod >= 1.23 (which implies gotypesalias=1).