Remove unused variables

3 files changed, 3 insertions, 5 deletions

diff --git a/Library/Formula/node.rb b/Library/Formula/node.rb
index ca39f8013..515d0566a 100644
--- a/Library/Formula/node.rb
+++ b/Library/Formula/node.rb
@@ -34,7 +34,7 @@ class NpmNotInstalled < Requirement
     begin
       path = Pathname.new("#{modules_folder}/npm")
       path.realpath.to_s.include?(HOMEBREW_CELLAR)
-    rescue Exception => e
+    rescue Errno::ENOENT
       true
     end
   end
diff --git a/Library/Formula/texmacs.rb b/Library/Formula/texmacs.rb
index 4d515f8a1..eaeedadba 100644
--- a/Library/Formula/texmacs.rb
+++ b/Library/Formula/texmacs.rb
@@ -18,8 +18,7 @@ class Texmacs < Formula
     system "make install"
   end
 
-  def caveats
-    general_caveats = <<-EOS.undent
+  def caveats; <<-EOS.undent
       TeXmacs has been installed! You can also check some dependencies :
        * Aspell for spell checking
        * Gnuplot for inline plotting
diff --git a/Library/Formula/tuntap.rb b/Library/Formula/tuntap.rb
index 450a35fa9..930d015f8 100644
--- a/Library/Formula/tuntap.rb
+++ b/Library/Formula/tuntap.rb
@@ -18,8 +18,7 @@ class Tuntap < Formula
     end
   end
 
-  def caveats
-    message = <<-EOS.undent
+  def caveats; <<-EOS.undent
       In order for TUN/TAP network devices to work, the tun/tap kernel extensions
       must be installed by the root user: