diff --git a/sandbox/namespace_windows.go b/sandbox/namespace_windows.go
index 00d8679..5289328 100644
--- a/sandbox/namespace_windows.go
+++ b/sandbox/namespace_windows.go
@@ -1,7 +1,5 @@
 package sandbox
 
-import "testing"
-
 // GenerateKey generates a sandbox key based on the passed
 // container id.
 func GenerateKey(containerID string) string {
@@ -28,8 +26,3 @@ func GC() {
 func InitOSContext() func() {
 	return func() {}
 }
-
-// SetupTestOSContext sets up a separate test  OS context in which tests will be executed.
-func SetupTestOSContext(t *testing.T) func() {
-	return func() {}
-}
diff --git a/sandbox/sandbox_freebsd.go b/sandbox/sandbox_freebsd.go
index 00d8679..5289328 100644
--- a/sandbox/sandbox_freebsd.go
+++ b/sandbox/sandbox_freebsd.go
@@ -1,7 +1,5 @@
 package sandbox
 
-import "testing"
-
 // GenerateKey generates a sandbox key based on the passed
 // container id.
 func GenerateKey(containerID string) string {
@@ -28,8 +26,3 @@ func GC() {
 func InitOSContext() func() {
 	return func() {}
 }
-
-// SetupTestOSContext sets up a separate test  OS context in which tests will be executed.
-func SetupTestOSContext(t *testing.T) func() {
-	return func() {}
-}
diff --git a/sandbox/test_freebsd.go b/sandbox/test_freebsd.go
new file mode 100644
index 0000000..80af79f
--- /dev/null
+++ b/sandbox/test_freebsd.go
@@ -0,0 +1,8 @@
+package sandbox
+
+import "testing"
+
+// SetupTestOSContext sets up a separate test  OS context in which tests will be executed.
+func SetupTestOSContext(t *testing.T) func() {
+	return func() {}
+}
diff --git a/sandbox/test_windows.go b/sandbox/test_windows.go
new file mode 100644
index 0000000..80af79f
--- /dev/null
+++ b/sandbox/test_windows.go
@@ -0,0 +1,8 @@
+package sandbox
+
+import "testing"
+
+// SetupTestOSContext sets up a separate test  OS context in which tests will be executed.
+func SetupTestOSContext(t *testing.T) func() {
+	return func() {}
+}