diff --git a/ninja-build.spec b/ninja-build.spec
index 8e646b0..947b159 100644
--- a/ninja-build.spec
+++ b/ninja-build.spec
@@ -24,7 +24,7 @@ fast as possible.
 
 %build
 CFLAGS="%{optflags}" LDFLAGS="%{?__global_ldflags}" \
-%{__python2} bootstrap.py --verbose --debug
+%{__python2} bootstrap.py --verbose
 ./ninja -v manual
 ./ninja -v ninja_test