diff --git a/android/ninja_deps_test.go b/android/ninja_deps_test.go
index 947c257..d6afcc0 100644
--- a/android/ninja_deps_test.go
+++ b/android/ninja_deps_test.go
@@ -18,21 +18,6 @@
 	"testing"
 )
 
-func init() {
-	// This variable uses ExistentPathForSource on a PackageVarContext, which is a PathContext
-	// that is not a PathGlobContext.  That requires the deps to be stored in the Config.
-	pctx.VariableFunc("test_ninja_deps_variable", func(ctx PackageVarContext) string {
-		// Using ExistentPathForSource to look for a file that does not exist in a directory that
-		// does exist (test_ninja_deps) from a PackageVarContext adds a dependency from build.ninja
-		// to the directory.
-		if ExistentPathForSource(ctx, "test_ninja_deps/does_not_exist").Valid() {
-			return "true"
-		} else {
-			return "false"
-		}
-	})
-}
-
 func testNinjaDepsSingletonFactory() Singleton {
 	return testNinjaDepsSingleton{}
 }
@@ -40,33 +25,19 @@
 type testNinjaDepsSingleton struct{}
 
 func (testNinjaDepsSingleton) GenerateBuildActions(ctx SingletonContext) {
-	// Reference the test_ninja_deps_variable in a build statement so Blueprint is forced to
-	// evaluate it.
-	ctx.Build(pctx, BuildParams{
-		Rule:   Cp,
-		Input:  PathForTesting("foo"),
-		Output: PathForOutput(ctx, "test_ninja_deps_out"),
-		Args: map[string]string{
-			"cpFlags": "${test_ninja_deps_variable}",
-		},
-	})
+	ctx.Config().addNinjaFileDeps("foo")
 }
 
 func TestNinjaDeps(t *testing.T) {
-	fs := MockFS{
-		"test_ninja_deps/exists": nil,
-	}
-
 	result := GroupFixturePreparers(
 		FixtureRegisterWithContext(func(ctx RegistrationContext) {
 			ctx.RegisterSingletonType("test_ninja_deps_singleton", testNinjaDepsSingletonFactory)
 			ctx.RegisterSingletonType("ninja_deps_singleton", ninjaDepsSingletonFactory)
 		}),
-		fs.AddToFixture(),
 	).RunTest(t)
 
 	// Verify that the ninja file has a dependency on the test_ninja_deps directory.
-	if g, w := result.NinjaDeps, "test_ninja_deps"; !InList(w, g) {
+	if g, w := result.NinjaDeps, "foo"; !InList(w, g) {
 		t.Errorf("expected %q in %q", w, g)
 	}
 }