diff --git a/repos/gems/lib/import/import-sha256_4k.mk b/repos/gems/lib/import/import-sha256_4k.mk
deleted file mode 100644
index 79d13851b4..0000000000
--- a/repos/gems/lib/import/import-sha256_4k.mk
+++ /dev/null
@@ -1,3 +0,0 @@
-TRESOR_DIR := $(call select_from_ports,tresor)
-
-INC_DIR += $(TRESOR_DIR)/src/lib/sha256_4k