diff --git a/sqlite3.go b/sqlite3.go
index 63e1c4f7..c51da8ec 100644
--- a/sqlite3.go
+++ b/sqlite3.go
@@ -15,7 +15,6 @@ package sqlite3
 #cgo CFLAGS: -DHAVE_USLEEP=1
 #cgo CFLAGS: -DSQLITE_ENABLE_FTS3
 #cgo CFLAGS: -DSQLITE_ENABLE_FTS3_PARENTHESIS
-#cgo CFLAGS: -DSQLITE_ENABLE_FTS4_UNICODE61
 #cgo CFLAGS: -DSQLITE_TRACE_SIZE_LIMIT=15
 #cgo CFLAGS: -DSQLITE_OMIT_DEPRECATED
 #cgo CFLAGS: -DSQLITE_DISABLE_INTRINSIC