diff --git a/source-builder/config/gdb-7-1.cfg b/source-builder/config/gdb-7-1.cfg
index 12cb52e..a5f9413 100644
--- a/source-builder/config/gdb-7-1.cfg
+++ b/source-builder/config/gdb-7-1.cfg
@@ -86,6 +86,7 @@ BuildRoot: %{_tmppath}/%{name}-root-%(%{__id_u} -n)
     --disable-win32-registry \
     --disable-werror \
     --enable-sim \
+    --without-zlib \
     --with-expat \
     %{!?without_python:--with-python} \
     --prefix=%{_prefix} --bindir=%{_bindir} \