diff --git a/default.conf b/default.conf
index 42afbe5..951a82f 100644
--- a/default.conf
+++ b/default.conf
@@ -1,6 +1,5 @@
 export CFLAGS="-Os -Wformat -Werror=format-security"
 export CXXFLAGS="-Os -Wformat -Werror=format-security"
-export CPPFLAGS="-Os -Wformat -Werror=format-security"
 export LDFLAGS="-Wl,--as-needed,-O1,--sort-common"
 export GOFLAGS="-buildmode=pie -modcacherw -trimpath -buildvcs=false"
 # Do note that these should work with at least GDC and LDC