diff --git a/Makefile.in b/Makefile.in
index aab4f9f1..1faefbab 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,6 +1,6 @@
 RUSTC := rustc
 BUILDDIR := build
-RUSTFLAGS := -O -g --cfg ndebug
+RUSTFLAGS := -O --cfg ndebug
 INSTALL_DIR := %PREFIX%
 
 OPENSSL_LIB := lib.rs