diff --git a/lib/gems/pending/util/miq-unicode.rb b/lib/gems/pending/util/miq-unicode.rb
deleted file mode 100644
index 67ba4b825..000000000
--- a/lib/gems/pending/util/miq-unicode.rb
+++ /dev/null
@@ -1,43 +0,0 @@
-class String
-  # See Programming Ruby 1.9 - The Pragmatic Programmers’ Guide
-  # Figure 17.1. "Encodings and Their Aliases" in the for available encodings.
-  def UnicodeToUtf8
-    dup.force_encoding("UTF-16LE").encode("UTF-8")
-  end
-
-  def UnicodeToUtf8!
-    force_encoding("UTF-16LE").encode!("UTF-8")
-  end
-
-  def Utf8ToUnicode
-    dup.force_encoding("UTF-8").encode("UTF-16LE")
-  end
-
-  def Utf8ToUnicode!
-    force_encoding("UTF-8").encode!("UTF-16LE")
-  end
-
-  def AsciiToUtf8
-    dup.force_encoding("ISO-8859-1").encode("UTF-8")
-  end
-
-  def AsciiToUtf8!
-    force_encoding("ISO-8859-1").encode!("UTF-8")
-  end
-
-  def Utf8ToAscii
-    dup.force_encoding("UTF-8").encode("ISO-8859-1")
-  end
-
-  def Utf8ToAscii!
-    force_encoding("UTF-8").encode!("ISO-8859-1")
-  end
-
-  def Ucs2ToAscii
-    dup.force_encoding("UTF-16LE").encode("ISO-8859-1")
-  end
-
-  def Ucs2ToAscii!
-    force_encoding("UTF-16LE").encode!("ISO-8859-1")
-  end
-end
diff --git a/lib/gems/pending/util/win32/miq-powershell.rb b/lib/gems/pending/util/win32/miq-powershell.rb
index 3b4db4932..b890c023e 100644
--- a/lib/gems/pending/util/win32/miq-powershell.rb
+++ b/lib/gems/pending/util/win32/miq-powershell.rb
@@ -3,7 +3,6 @@
 require 'io/wait'
 require 'open-uri'
 require 'util/miq-encode'
-require 'util/miq-unicode'
 require 'win32/registry' if Sys::Platform::OS == :windows
 
 module MiqPowerShell
@@ -94,7 +93,8 @@ def self.is_error_object?(xml)
   end
 
   def self.run_script(script)
-    encoded_command = MIQEncode.encode(script.AsciiToUtf8.Utf8ToUnicode, false)
+    string = script.dup.force_encoding("ISO-8859-1").encode("UTF-16LE")
+    encoded_command = MIQEncode.encode(string, false)
     ps_command = "-EncodedCommand #{encoded_command}"
     execute(ps_command)
   end
diff --git a/spec/util/miq-unicode_spec.rb b/spec/util/miq-unicode_spec.rb
deleted file mode 100644
index c69788482..000000000
--- a/spec/util/miq-unicode_spec.rb
+++ /dev/null
@@ -1,93 +0,0 @@
-require 'util/miq-unicode'
-
-describe 'miq-unicode' do
-  context "with Unicode and UTF-8 data" do
-    before(:each) do
-      @unicode_str = "S\000Y\000S\000T\000E\000M\000\000\000\000\000\000\000"
-      @utf8_str    = "SYSTEM\000\000\000"
-
-      @unicode_str.force_encoding("UTF-16LE")
-      @utf8_str.force_encoding("UTF-8")
-    end
-
-    it '.UnicodeToUtf8' do
-      converted_utf8 = @unicode_str.UnicodeToUtf8
-      expect(converted_utf8.object_id).not_to eq(@unicode_str.object_id)
-      expect(converted_utf8).to eq(@utf8_str)
-    end
-
-    it '.UnicodeToUtf8!' do
-      converted_utf8 = @unicode_str.UnicodeToUtf8!
-      expect(converted_utf8.object_id).to eq(@unicode_str.object_id)
-      expect(converted_utf8).to eq(@utf8_str)
-    end
-
-    it '.Utf8ToUnicode' do
-      converted_unicode = @utf8_str.Utf8ToUnicode
-      expect(converted_unicode.object_id).not_to eq(@utf8_str.object_id)
-      expect(converted_unicode).to eq(@unicode_str)
-    end
-
-    it '.Utf8ToUnicode!' do
-      converted_unicode = @utf8_str.Utf8ToUnicode!
-      expect(converted_unicode.object_id).to eq(@utf8_str.object_id)
-      expect(converted_unicode).to eq(@unicode_str)
-    end
-  end
-
-  context "with UTF-8 and ASCII data" do
-    before(:each) do
-      @utf8_str  = "123\303\245456"
-      @ascii_str = "123\345456"
-
-      @utf8_str.force_encoding("UTF-8")
-      @ascii_str.force_encoding("ISO-8859-1")
-    end
-
-    it '.AsciiToUtf8' do
-      converted_utf8 = @ascii_str.AsciiToUtf8
-      expect(converted_utf8.object_id).not_to eq(@ascii_str.object_id)
-      expect(converted_utf8).to eq(@utf8_str)
-    end
-
-    it '.AsciiToUtf8!' do
-      converted_utf8 = @ascii_str.AsciiToUtf8!
-      expect(converted_utf8.object_id).to eq(@ascii_str.object_id)
-      expect(converted_utf8).to eq(@utf8_str)
-    end
-
-    it '.Utf8ToAscii' do
-      converted_ascii = @utf8_str.Utf8ToAscii
-      expect(converted_ascii.object_id).not_to eq(@utf8_str.object_id)
-      expect(converted_ascii).to eq(@ascii_str)
-    end
-
-    it '.Utf8ToAscii!' do
-      converted_ascii = @utf8_str.Utf8ToAscii!
-      expect(converted_ascii.object_id).to eq(@utf8_str.object_id)
-      expect(converted_ascii).to eq(@ascii_str)
-    end
-  end
-
-  context "with ASCII and UCS-2 data" do
-    before(:each) do
-      @ucs2_str  = "1\000.\0008\000.\0007\000"
-      @ascii_str = "1.8.7"
-
-      @ucs2_str.force_encoding("UTF-16LE")
-      @ascii_str.force_encoding("ISO-8859-1")
-    end
-
-    it '.Ucs2ToAscii' do
-      converted_ascii = @ucs2_str.Ucs2ToAscii
-      expect(converted_ascii.object_id).not_to eq(@ucs2_str.object_id)
-      expect(converted_ascii).to eq(@ascii_str)
-    end
-
-    it '.Ucs2ToAscii!' do
-      converted_ascii = @ucs2_str.Ucs2ToAscii!
-      expect(converted_ascii.object_id).to eq(@ucs2_str.object_id)
-      expect(converted_ascii).to eq(@ascii_str)
-    end
-  end
-end