diff --git a/.Rbuildignore b/.Rbuildignore
index b0dba58..2a010db 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,3 +1,4 @@
 ^LICENSE\.md$
 ^README\.Rmd$
 ^Makefile$
+node_modules
diff --git a/Makefile b/Makefile
index 9c45c42..ff55248 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,9 @@ document:
 install: document
 	R CMD INSTALL .
 
+check:
+	Rscript -e "devtools::check()"
+
 README.md: README.Rmd install
 	Rscript -e "rmarkdown::render('README.Rmd')"
 	@rm README.html
diff --git a/R/compile.R b/R/compile.R
index 2a9aa7e..d3d11cd 100644
--- a/R/compile.R
+++ b/R/compile.R
@@ -50,10 +50,6 @@ ts_compile.character <- function(
         sprintf("export default {\n  %s\n};", paste(ls(e), collapse = ",\n  "))
     )
 
-    # if (file != "" && file.exists(file)) {
-    #     stop(sprintf("File exists: %s", file))
-    #     return()
-    # }
     cat(src, file = file, sep = "\n")
 
     invisible()