diff --git a/src/internal/goexperiment/exp_regabi_off.go b/src/internal/goexperiment/exp_regabi_off.go
deleted file mode 100644
index 5d8823843d..0000000000
--- a/src/internal/goexperiment/exp_regabi_off.go
+++ /dev/null
@@ -1,9 +0,0 @@
-// Code generated by mkconsts.go. DO NOT EDIT.
-
-//go:build !goexperiment.regabi
-// +build !goexperiment.regabi
-
-package goexperiment
-
-const Regabi = false
-const RegabiInt = 0
diff --git a/src/internal/goexperiment/exp_regabi_on.go b/src/internal/goexperiment/exp_regabi_on.go
deleted file mode 100644
index c08d58e9b2..0000000000
--- a/src/internal/goexperiment/exp_regabi_on.go
+++ /dev/null
@@ -1,9 +0,0 @@
-// Code generated by mkconsts.go. DO NOT EDIT.
-
-//go:build goexperiment.regabi
-// +build goexperiment.regabi
-
-package goexperiment
-
-const Regabi = true
-const RegabiInt = 1