diff --git a/cmd/protoc-gen-go/internal_gengo/main.go b/cmd/protoc-gen-go/internal_gengo/main.go
index 5f559766..70819339 100644
--- a/cmd/protoc-gen-go/internal_gengo/main.go
+++ b/cmd/protoc-gen-go/internal_gengo/main.go
@@ -88,12 +88,6 @@ func GenerateFile(gen *protogen.Plugin, file *protogen.File) *protogen.Generated
 		g.P("_ = ", protoimplPackage.Ident("EnforceVersion"), "(", protoimplPackage.Ident("MaxVersion"), " - ", protoimpl.GenVersion, ")")
 		g.P(")")
 		g.P()
-
-		// TODO: Remove this after some soak-in period after the v2 release.
-		g.P("// This is a compile-time assertion that a sufficiently up-to-date version")
-		g.P("// of the legacy proto package is being used.")
-		g.P("const _ = ", protoV1Package.Ident("ProtoPackageIsVersion4"))
-		g.P()
 	}
 
 	for i, imps := 0, f.Desc.Imports(); i < imps.Len(); i++ {