diff --git a/Formula/elasticsearch-full.rb b/Formula/elasticsearch-full.rb
index bf55d32..4314111 100644
--- a/Formula/elasticsearch-full.rb
+++ b/Formula/elasticsearch-full.rb
@@ -32,7 +32,7 @@ def install
 
     # Move config files into etc
     (etc/"elasticsearch").install Dir[libexec/"config/*"]
-    (libexec/"config").rmtree
+    FileUtils.rm_r(libexec/"config")
 
     Dir.foreach(libexec/"bin") do |f|
       next if f == "." || f == ".." || !File.extname(f).empty?
diff --git a/Formula/logstash-full.rb b/Formula/logstash-full.rb
index 157d345..c4b5b48 100644
--- a/Formula/logstash-full.rb
+++ b/Formula/logstash-full.rb
@@ -22,7 +22,7 @@ def install
 
     # Move config files into etc
     (etc/"logstash").install Dir[libexec/"config/*"]
-    (libexec/"config").rmtree
+    FileUtils.rm_r(libexec/"config")
 
     bin.install libexec/"bin/logstash", libexec/"bin/logstash-plugin"
     bin.env_script_all_files(libexec/"bin", {})
diff --git a/Formula/logstash-oss.rb b/Formula/logstash-oss.rb
index ca1b5d9..e4f7413 100644
--- a/Formula/logstash-oss.rb
+++ b/Formula/logstash-oss.rb
@@ -22,7 +22,7 @@ def install
 
     # Move config files into etc
     (etc/"logstash").install Dir[libexec/"config/*"]
-    (libexec/"config").rmtree
+    FileUtils.rm_r(libexec/"config")
 
     bin.install libexec/"bin/logstash", libexec/"bin/logstash-plugin"
     bin.env_script_all_files(libexec/"bin", {})