diff --git a/build.sh b/build.sh
index 17a35c5bd..0f25d118c 100755
--- a/build.sh
+++ b/build.sh
@@ -1,5 +1,9 @@
 #!/bin/sh
 
+# Clean previous build
+rm -rf ./build/server
+rm -rf ./build/plugins
+
 # Compile server and shared
 yarn concurrently "yarn babel --extensions .ts,.tsx --quiet -d ./build/server ./server" \
  "yarn babel --extensions .ts,.tsx --quiet -d ./build/shared ./shared"