diff --git a/block-cache/io_engine.h b/block-cache/io_engine.h
index 5998ffb..0e13957 100644
--- a/block-cache/io_engine.h
+++ b/block-cache/io_engine.h
@@ -17,10 +17,6 @@
 
 //----------------------------------------------------------------
 
-// Musl defines
-#ifdef PAGE_SIZE
-#undef PAGE_SIZE
-#endif
 namespace bcache {
 	using sector_t = uint64_t;