diff --git a/src/Makefile.am b/src/Makefile.am
index 8b14284..e614755 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -121,10 +121,7 @@ else
 RUST_BUILD_OPTS += --locked --offline
 
 CARGO_CONFIGURED = $(top_srcdir)/.cargo/.configured-for-offline
-$(CARGO_CONFIGURED): $(top_srcdir)/.cargo/config.offline
-	$(AM_V_at)rm -f $(top_srcdir)/.cargo/.configured-for-online
-	$(AM_V_at)cp $< $(top_srcdir)/.cargo/config
-	$(AM_V_at)echo "directory = \"$(RUST_VENDORED_SOURCES)\"" >>$(top_srcdir)/.cargo/config
+$(CARGO_CONFIGURED):
 	$(AM_V_at)touch $@
 endif
 if ENABLE_SHANI