diff --git a/.gitignore b/.gitignore
index 057393862c687dfe42f4ab16257e4d8dbf829098..4871abe6b8d6ebf342e4bbcac02a5e2ea0744a2b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,7 +14,6 @@ ext/fox16/*.o
 ext/fox16/conftest.dSYM
 ext/fox16/include/inlinestubs.h
 ext/fox16/librb.c
-ext/fox16/extconf.rb
 ext/fox16/fox16.bundle
 ext/fox16/mkmf.log
 lib/fox16/kwargs.rb