diff --git a/src/hb-number-parser.rl b/src/hb-number-parser.rl
index bffacea95..28bbf9439 100644
--- a/src/hb-number-parser.rl
+++ b/src/hb-number-parser.rl
@@ -28,8 +28,6 @@
 
 #include "hb.hh"
 
-#include <float.h>
-
 %%{
 
 machine double_parser;