diff --git a/plugin/golang/stdlib/fmt.go b/plugin/golang/stdlib/fmt.go
index fc3756237..dbf64f1aa 100644
--- a/plugin/golang/stdlib/fmt.go
+++ b/plugin/golang/stdlib/fmt.go
@@ -1,7 +1,6 @@
 // Code generated by 'yaegi extract fmt'. DO NOT EDIT.
 
 //go:build go1.23
-// +build go1.23
 
 package stdlib
 
diff --git a/plugin/golang/stdlib/math.go b/plugin/golang/stdlib/math.go
index 6e03f2b03..cffbed774 100644
--- a/plugin/golang/stdlib/math.go
+++ b/plugin/golang/stdlib/math.go
@@ -1,7 +1,6 @@
 // Code generated by 'yaegi extract math'. DO NOT EDIT.
 
 //go:build go1.23
-// +build go1.23
 
 package stdlib
 
diff --git a/plugin/golang/stdlib/strings.go b/plugin/golang/stdlib/strings.go
index 2ca23e426..d172c2b68 100644
--- a/plugin/golang/stdlib/strings.go
+++ b/plugin/golang/stdlib/strings.go
@@ -1,7 +1,6 @@
 // Code generated by 'yaegi extract strings'. DO NOT EDIT.
 
 //go:build go1.23
-// +build go1.23
 
 package stdlib
 
diff --git a/plugin/golang/stdlib/time.go b/plugin/golang/stdlib/time.go
index 3f2b2e25d..74cba44d3 100644
--- a/plugin/golang/stdlib/time.go
+++ b/plugin/golang/stdlib/time.go
@@ -1,7 +1,6 @@
 // Code generated by 'yaegi extract time'. DO NOT EDIT.
 
 //go:build go1.23
-// +build go1.23
 
 package stdlib