diff --git a/.gitignore b/.gitignore
index 5bb9fd6..bc9318a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@ lib/mongo_ext/Makefile
 benchmark
 *~
 *#*
+*.class
diff --git a/ext/java/src/org/jbson/RubyBSONCallback.class b/ext/java/src/org/jbson/RubyBSONCallback.class
deleted file mode 100644
index aff4586..0000000
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diff --git a/ext/java/src/org/jbson/RubyBSONDecoder.class b/ext/java/src/org/jbson/RubyBSONDecoder.class
deleted file mode 100644
index 90dc0fc..0000000
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diff --git a/ext/java/src/org/jbson/RubyBSONEncoder.class b/ext/java/src/org/jbson/RubyBSONEncoder.class
deleted file mode 100644
index 1073651..0000000
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