diff --git a/bind/genclasses.go b/bind/genclasses.go
index 1b797c3..0de3f23 100644
--- a/bind/genclasses.go
+++ b/bind/genclasses.go
@@ -162,18 +162,16 @@ func (g *ClassGen) GenPackage(idx int) {
 
 func (g *ClassGen) GenGo() {
 	g.Printf(classesGoHeader)
-	impUnsafe := false
 	for _, cls := range g.classes {
 		for _, f := range cls.Funcs {
 			if f.Public && g.isFuncSupported(f) {
-				impUnsafe = true
 				pkgName := strings.Replace(cls.Name, ".", "/", -1)
 				g.Printf("import %q\n", "Java/"+pkgName)
 				break
 			}
 		}
 	}
-	if impUnsafe {
+	if len(g.classes) > 0 {
 		g.Printf("import \"unsafe\"\n\n")
 	}
 	g.Printf("type proxy interface { Bind_proxy_refnum__() int32 }\n\n")
diff --git a/bind/testdata/classes.go.golden b/bind/testdata/classes.go.golden
index d912b50..d769639 100644
--- a/bind/testdata/classes.go.golden
+++ b/bind/testdata/classes.go.golden
@@ -44,6 +44,8 @@ import (
 	_seq "golang.org/x/mobile/bind/seq"
 )
 
+import "unsafe"
+
 type proxy interface { Bind_proxy_refnum__() int32 }
 
 // Suppress unused package error
diff --git a/bind/testdata/java.go.golden b/bind/testdata/java.go.golden
index e7914ea..43e67c2 100644
--- a/bind/testdata/java.go.golden
+++ b/bind/testdata/java.go.golden
@@ -39,6 +39,8 @@ import (
 	_seq "golang.org/x/mobile/bind/seq"
 )
 
+import "unsafe"
+
 type proxy interface { Bind_proxy_refnum__() int32 }
 
 // Suppress unused package error