diff --git a/Makefile b/Makefile
index 18a81f5..f160382 100644
--- a/Makefile
+++ b/Makefile
@@ -1,22 +1,17 @@
 DUNE=dune
-ESBUILD=bunx esbuild
+SED=sed
 TARGET_JS=./_build/default/bin/js/main.bc.js
 OUTPUT_JS=./react-trace.bc.js
 
-ESBUILD_FLAGS=--outfile=$(OUTPUT_JS) --bundle --platform=browser \
-              --external:node:child_process --external:node:tty \
-              --external:node:constants --minify --target=es2020
-
 all: $(OUTPUT_JS)
 
 $(TARGET_JS):
 	$(DUNE) build --profile=prod
 
 $(OUTPUT_JS): $(TARGET_JS)
-	$(ESBUILD) $(TARGET_JS) $(ESBUILD_FLAGS)
+	$(SED) 's/node://g' $(TARGET_JS) >$(OUTPUT_JS)
 
 clean:
-	$(DUNE) clean
 	rm -f $(OUTPUT_JS)
 
 rebuild: clean all