diff --git a/lib/logstash/filters/anonymize.rb b/lib/logstash/filters/anonymize.rb
index 6393f6cf8..08be234b7 100644
--- a/lib/logstash/filters/anonymize.rb
+++ b/lib/logstash/filters/anonymize.rb
@@ -15,7 +15,7 @@ class LogStash::Filters::Anonymize < LogStash::Filters::Base
   config :key, :validate => :string, :required => true
 
   # digest/hash type
-  config :algorithm, :validate => ['SHA', 'SHA1', 'SHA224', 'SHA256', 'SHA384', 'SHA512', 'MD4', 'MD5', "MURMUR3", "IPV4_NETWORK"], :required => true, :default => 'SHA1'
+  config :algorithm, :validate => ['SHA1', 'SHA224', 'SHA256', 'SHA384', 'SHA512', 'MD4', 'MD5', "MURMUR3", "IPV4_NETWORK"], :required => true, :default => 'SHA1'
 
   public
   def register
@@ -63,8 +63,8 @@ class LogStash::Filters::Anonymize < LogStash::Filters::Base
   def algorithm
  
    case @algorithm
-      when 'SHA'
-        return OpenSSL::Digest::SHA.new
+      #when 'SHA'
+        #return OpenSSL::Digest::SHA.new
       when 'SHA1'
         return OpenSSL::Digest::SHA1.new
       when 'SHA224'
diff --git a/spec/filters/anonymize.rb b/spec/filters/anonymize.rb
index 94fb06958..0c7057727 100644
--- a/spec/filters/anonymize.rb
+++ b/spec/filters/anonymize.rb
@@ -4,24 +4,6 @@ require "logstash/filters/anonymize"
 describe LogStash::Filters::Anonymize do
   extend LogStash::RSpec
 
-  describe "anonymize string with SHA alogrithm" do
-    # The logstash config goes here.
-    # At this time, only filters are supported.
-    config <<-CONFIG
-      filter {
-        anonymize {
-          fields => ["clientip"]
-          key => "longencryptionkey"
-          algorithm => 'SHA'
-        }
-      }
-    CONFIG
-
-    sample "@fields" => {"clientip" => "123.123.123.123"} do
-      insist { subject["clientip"] } == "0d01b2191194d261fa1a2e7c18a38d44953ab4e2"
-    end
-  end
-
   describe "anonymize ipaddress with IPV4_NETWORK algorithm" do
     # The logstash config goes here.
     # At this time, only filters are supported.