diff --git a/cc/compiler.go b/cc/compiler.go
index 6154758..1b0eb4e 100644
--- a/cc/compiler.go
+++ b/cc/compiler.go
@@ -377,10 +377,6 @@
 			fmt.Sprintf("${config.%sGlobalCflags}", hod))
 	}
 
-	if Bool(ctx.Config().ProductVariables.Brillo) {
-		flags.GlobalFlags = append(flags.GlobalFlags, "-D__BRILLO__")
-	}
-
 	if ctx.Device() {
 		if Bool(compiler.Properties.Rtti) {
 			flags.CppFlags = append(flags.CppFlags, "-frtti")
diff --git a/cc/makevars.go b/cc/makevars.go
index 479e019..b87494e 100644
--- a/cc/makevars.go
+++ b/cc/makevars.go
@@ -211,9 +211,6 @@
 		hod = "Device"
 	}
 
-	if target.Os.Class == android.Device && Bool(ctx.Config().ProductVariables.Brillo) {
-		productExtraCflags += "-D__BRILLO__"
-	}
 	if target.Os.Class == android.Host && Bool(ctx.Config().ProductVariables.HostStaticBinaries) {
 		productExtraLdflags += "-static"
 	}