diff --git a/ast/stdast.go b/ast/stdast.go
deleted file mode 100644
index cfaa71d..0000000
--- a/ast/stdast.go
+++ /dev/null
@@ -1,8 +0,0 @@
-package ast
-
-// StdAst is the AST for the standard library.
-//
-// Its inital value is the Jsonnet null value, such that the standard library is not available
-// during evaluation. Set this variable to point at a non-null AST node to make that tree available
-// as the standard library.
-var StdAst Node = &LiteralNull{}
diff --git a/astgen/stdast.go b/astgen/stdast.go
index d646816..f1e9e27 100644
--- a/astgen/stdast.go
+++ b/astgen/stdast.go
@@ -11,9 +11,6 @@ import (
 	"github.com/google/go-jsonnet/ast"
 )
 
-func init() {
-	ast.StdAst = StdAst
-}
 var p3Var = "$"
 var p3 = &p3Var
 var p8Var = "object <anonymous>"
diff --git a/c-bindings/c-bindings.go b/c-bindings/c-bindings.go
index 759558c..5f7e855 100644
--- a/c-bindings/c-bindings.go
+++ b/c-bindings/c-bindings.go
@@ -6,8 +6,6 @@ import (
 	"os"
 
 	"github.com/google/go-jsonnet"
-	"github.com/google/go-jsonnet/ast"
-	"github.com/google/go-jsonnet/astgen"
 
 	// #cgo CXXFLAGS: -std=c++11 -Wall -I../cpp-jsonnet/include
 	// #include "internal.h"
@@ -159,5 +157,4 @@ func jsonnet_tla_code(vmRef *C.struct_JsonnetVm, key, value *C.char) {
 }
 
 func main() {
-	ast.StdAst = astgen.StdAst
 }
diff --git a/cmd/dumpstdlibast/dumpstdlibast.go b/cmd/dumpstdlibast/dumpstdlibast.go
index 3ee5f3a..6627c4f 100644
--- a/cmd/dumpstdlibast/dumpstdlibast.go
+++ b/cmd/dumpstdlibast/dumpstdlibast.go
@@ -62,7 +62,4 @@ import (
 	"github.com/google/go-jsonnet/ast"
 )
 
-func init() {
-	ast.StdAst = StdAst
-}
 `[1:]
diff --git a/cmd/jsonnet/cmd.go b/cmd/jsonnet/cmd.go
index f042cb9..0c6a9d2 100644
--- a/cmd/jsonnet/cmd.go
+++ b/cmd/jsonnet/cmd.go
@@ -32,8 +32,6 @@ import (
 	"github.com/fatih/color"
 
 	"github.com/google/go-jsonnet"
-	"github.com/google/go-jsonnet/ast"
-	"github.com/google/go-jsonnet/astgen"
 )
 
 func nextArg(i *int, args []string) string {
@@ -473,7 +471,6 @@ func writeOutputFile(output string, outputFile string, createDirs bool) error {
 }
 
 func main() {
-	ast.StdAst = astgen.StdAst
 	// https://blog.golang.org/profiling-go-programs
 	var cpuprofile = os.Getenv("JSONNET_CPU_PROFILE")
 	if cpuprofile != "" {
diff --git a/interpreter.go b/interpreter.go
index c26581a..313d808 100644
--- a/interpreter.go
+++ b/interpreter.go
@@ -24,6 +24,7 @@ import (
 	"sort"
 
 	"github.com/google/go-jsonnet/ast"
+	"github.com/google/go-jsonnet/astgen"
 )
 
 // TODO(sbarzowski) use it as a pointer in most places b/c it can sometimes be shared
@@ -1119,7 +1120,7 @@ func evaluateStd(i *interpreter) (value, error) {
 	)
 	evalLoc := ast.MakeLocationRangeMessage("During evaluation of std")
 	evalTrace := TraceElement{loc: &evalLoc}
-	node := ast.StdAst
+	node := astgen.StdAst
 	return i.EvalInCleanEnv(evalTrace, &beforeStdEnv, node, false)
 }
 
diff --git a/jsonnet_test.go b/jsonnet_test.go
index 7b5c2fa..5c64558 100644
--- a/jsonnet_test.go
+++ b/jsonnet_test.go
@@ -4,15 +4,8 @@ import (
 	"bytes"
 	"testing"
 	"unicode/utf8"
-
-	"github.com/google/go-jsonnet/ast"
-	"github.com/google/go-jsonnet/astgen"
 )
 
-func init() {
-	ast.StdAst = astgen.StdAst
-}
-
 type errorFormattingTest struct {
 	name      string
 	input     string