diff --git a/bin/prepare_xrubies b/bin/prepare_xrubies
index 4d845ab..5b70355 100755
--- a/bin/prepare_xrubies
+++ b/bin/prepare_xrubies
@@ -16,13 +16,9 @@ cd '/vagrant'
 rvm all do gem install rake-compiler -v "~> 0.9.5"
 rvm all do gem install bundler -v "~> 1.9.9"
 
-# Use just one CPU for building 1.8.7 and 1.9.3
+# Use just one CPU for building 1.9.3
 export MAKE="make"
 
-# Build 1.8.7 with mingw32 compiler (GCC 4.2)
-rvm use 1.8.7-p374
-rake-compiler cross-ruby VERSION=1.8.7-p374 HOST=i586-mingw32msvc
-
 # Build 1.9.3 using 1.9.3 as base
 rvm use 1.9.3
 rake-compiler cross-ruby VERSION=1.9.3-p551 HOST=i586-mingw32msvc
diff --git a/bootstrap.sh b/bootstrap.sh
index 9c04ab7..dc574a4 100644
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -74,7 +74,6 @@ fi
 
 # install rubies
 $as_vagrant 'rvm install jruby'
-$as_vagrant 'rvm install 1.8.7-p374'
 $as_vagrant 'rvm install 1.9.3'
 $as_vagrant 'rvm install 2.0.0'
 $as_vagrant 'rvm install 2.1'
diff --git a/sample_gem/Rakefile b/sample_gem/Rakefile
index 3f2913f..1d925d9 100644
--- a/sample_gem/Rakefile
+++ b/sample_gem/Rakefile
@@ -5,7 +5,6 @@ require "rake/clean"
 
 CLEAN.include(
   "tmp",
-  "lib/1.8",
   "lib/1.9",
   "lib/2.0",
   "lib/2.1",