diff --git a/package/utils/otrx/Makefile b/package/utils/otrx/Makefile
index 82c973ac88..9cb76c171b 100644
--- a/package/utils/otrx/Makefile
+++ b/package/utils/otrx/Makefile
@@ -26,11 +26,6 @@ define Package/otrx/description
  This package contains an utility that allows validating TRX images.
 endef
 
-define Build/Prepare
-	mkdir -p $(PKG_BUILD_DIR)
-	$(CP) ./src/* $(PKG_BUILD_DIR)/
-endef
-
 define Build/Compile
 	$(MAKE) -C $(PKG_BUILD_DIR) \
 		CC="$(TARGET_CC)" \