diff --git a/support.bp b/support.bp
index d16bdbd..0732053 100644
--- a/support.bp
+++ b/support.bp
@@ -180,8 +180,6 @@
         "-DRS_COMPATIBILITY_LIB",
 
         "-DGEMMLOWP_USE_STLPORT",
-        // TODO: why isn't this picked up from the host GLOBAL_CFLAGS?
-        "-D__STDC_FORMAT_MACROS",
 
         // Allow implicit fallthrough in rsContext.cpp:414 until it is fixed.
         "-Wno-error=implicit-fallthrough",