diff --git a/android/makevars.go b/android/makevars.go
index a74185a..5165a55 100644
--- a/android/makevars.go
+++ b/android/makevars.go
@@ -35,7 +35,7 @@
 	ctx.Strict("MIN_SUPPORTED_SDK_VERSION", ctx.Config().MinSupportedSdkVersion().String())
 }
 
-///////////////////////////////////////////////////////////////////////////////
+// /////////////////////////////////////////////////////////////////////////////
 
 // BaseMakeVarsContext contains the common functions for other packages to use
 // to declare make variables
@@ -173,13 +173,14 @@
 	MakeVars(ctx MakeVarsModuleContext)
 }
 
-///////////////////////////////////////////////////////////////////////////////
+// /////////////////////////////////////////////////////////////////////////////
 
 func makeVarsSingletonFunc() Singleton {
 	return &makeVarsSingleton{}
 }
 
 type makeVarsSingleton struct {
+	varsForTesting     []makeVarsVariable
 	installsForTesting []byte
 }
 
@@ -320,7 +321,11 @@
 		ctx.Errorf(err.Error())
 	}
 
-	s.installsForTesting = installsBytes
+	// Only save state for tests when testing.
+	if ctx.Config().RunningInsideUnitTest() {
+		s.varsForTesting = vars
+		s.installsForTesting = installsBytes
+	}
 }
 
 func (s *makeVarsSingleton) writeVars(vars []makeVarsVariable) []byte {