diff --git a/builders/dotnet.go b/builders/dotnet.go
index bee5d6c..52d0aa6 100644
--- a/builders/dotnet.go
+++ b/builders/dotnet.go
@@ -72,6 +72,7 @@ hook-package() {
   puts-step "Creating package at lambda.zip"
   zip -q -r lambda.zip ./*
   mv lambda.zip /tmp/task/lambda.zip
+  rm -rf lambda.zip
 }
 
 cp -a /tmp/task/. /var/task
diff --git a/builders/go.go b/builders/go.go
index 9673923..5e0741c 100644
--- a/builders/go.go
+++ b/builders/go.go
@@ -75,6 +75,7 @@ hook-package() {
   puts-step "Creating package at lambda.zip"
   zip -q -r lambda.zip bootstrap
   mv lambda.zip /tmp/task/lambda.zip
+  rm -rf lambda.zip
 }
 
 cp -a /tmp/task/. /go/src/handler
diff --git a/builders/nodejs.go b/builders/nodejs.go
index 589efe8..f79d3f0 100644
--- a/builders/nodejs.go
+++ b/builders/nodejs.go
@@ -72,6 +72,7 @@ hook-package() {
   puts-step "Creating package at lambda.zip"
   zip -q -r lambda.zip ./*
   mv lambda.zip /tmp/task/lambda.zip
+  rm -rf lambda.zip
 }
 
 cp -a /tmp/task/. /var/task
diff --git a/builders/python.go b/builders/python.go
index c05db2b..9d40349 100644
--- a/builders/python.go
+++ b/builders/python.go
@@ -146,6 +146,7 @@ hook-package() {
   puts-step "Creating package at lambda.zip"
   zip -q -r lambda.zip ./*
   mv lambda.zip /tmp/task/lambda.zip
+  rm -rf lambda.zip
 }
 
 cp -a /tmp/task/. /var/task
diff --git a/builders/ruby.go b/builders/ruby.go
index 1ffbd65..7ae1cec 100644
--- a/builders/ruby.go
+++ b/builders/ruby.go
@@ -73,6 +73,7 @@ hook-package() {
   puts-step "Creating package at lambda.zip"
   zip -q -r lambda.zip ./*
   mv lambda.zip /tmp/task/lambda.zip
+  rm -rf lambda.zip
 }
 
 cp -a /tmp/task/. /var/task