diff --git a/Samples/BarcodeTest/RUBY/RunTest.sh b/Samples/BarcodeTest/RUBY/RunTest.sh
index a3862270..4f9f772a 100755
--- a/Samples/BarcodeTest/RUBY/RunTest.sh
+++ b/Samples/BarcodeTest/RUBY/RunTest.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
 TEST_NAME=BarcodeTest
 export LD_LIBRARY_PATH=../../../PDFNetC/Lib
-sudo ruby $TEST_NAME.rb
+ruby $TEST_NAME.rb
diff --git a/Samples/CAD2PDFTest/RUBY/RunTest.sh b/Samples/CAD2PDFTest/RUBY/RunTest.sh
index 1af6aac7..5aeee056 100755
--- a/Samples/CAD2PDFTest/RUBY/RunTest.sh
+++ b/Samples/CAD2PDFTest/RUBY/RunTest.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
 TEST_NAME=CAD2PDFTest
 export LD_LIBRARY_PATH=../../../PDFNetC/Lib
-sudo ruby $TEST_NAME.rb
+ruby $TEST_NAME.rb
diff --git a/Samples/HandwritingICRTest/RUBY/RunTest.sh b/Samples/HandwritingICRTest/RUBY/RunTest.sh
index 03709cde..5458b11f 100644
--- a/Samples/HandwritingICRTest/RUBY/RunTest.sh
+++ b/Samples/HandwritingICRTest/RUBY/RunTest.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
 TEST_NAME=HandwritingICRTest
 export LD_LIBRARY_PATH=../../../PDFNetC/Lib
-sudo ruby $TEST_NAME.rb
+ruby $TEST_NAME.rb
diff --git a/Samples/OCRTest/RUBY/RunTest.sh b/Samples/OCRTest/RUBY/RunTest.sh
index 4ea3f07f..93757b61 100755
--- a/Samples/OCRTest/RUBY/RunTest.sh
+++ b/Samples/OCRTest/RUBY/RunTest.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
 TEST_NAME=OCRTest
 export LD_LIBRARY_PATH=../../../PDFNetC/Lib
-sudo ruby $TEST_NAME.rb
+ruby $TEST_NAME.rb