diff --git a/xwords4/android/jni/andglobals.h b/xwords4/android/jni/andglobals.h
index 824583b7e..7e160891e 100644
--- a/xwords4/android/jni/andglobals.h
+++ b/xwords4/android/jni/andglobals.h
@@ -27,7 +27,7 @@
 typedef struct _JNIState JNIState;
 
 #ifdef DEBUG
-# define MAP_THREAD_TO_ENV
+// # define MAP_THREAD_TO_ENV
 #endif
 
 typedef struct _AndGameGlobals {