diff --git a/scripts/rest-clients/base64.sh b/scripts/rest-clients/base64.sh
deleted file mode 100755
index a40993e4e..000000000
--- a/scripts/rest-clients/base64.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/usr/bin/ruby
-
-require 'base64'
-puts Base64.encode64("#{ARGV[0]}");
diff --git a/scripts/rest-clients/export-resources-hours.sh b/scripts/rest-clients/export-resources-hours.sh
index e6be9ccb9..1ce0932be 100755
--- a/scripts/rest-clients/export-resources-hours.sh
+++ b/scripts/rest-clients/export-resources-hours.sh
@@ -53,7 +53,7 @@ if [ "$endDate" = "" ]; then
     exit 1
 fi
 
-authorization=`./base64.sh $loginName:$password`
+authorization=`echo -n "$loginName:$password" | base64`
 
 if [ "$resourceCode" = "" ]; then
     serviceURIWithParams="$baseServiceURL/resourceshours/$startDate/$endDate/"
diff --git a/scripts/rest-clients/export.sh b/scripts/rest-clients/export.sh
index 6747ce5f1..7b433c835 100755
--- a/scripts/rest-clients/export.sh
+++ b/scripts/rest-clients/export.sh
@@ -18,7 +18,7 @@ else
    certificate=$DEMO_CERTIFICATE
 fi
 
-authorization=`./base64.sh $loginName:$password`
+authorization=`echo -n "$loginName:$password" | base64`
 
 curl -sv -X GET $certificate --header "Authorization: Basic $authorization" \
     $baseServiceURL/$1 | tidy -xml -i -q -utf8
diff --git a/scripts/rest-clients/get-xml-schema.sh b/scripts/rest-clients/get-xml-schema.sh
index 9bcf90d32..cb8069508 100755
--- a/scripts/rest-clients/get-xml-schema.sh
+++ b/scripts/rest-clients/get-xml-schema.sh
@@ -25,8 +25,7 @@ if [ "$service" = "" ]; then
     exit 1
 fi
 
-authorization=`./base64.sh $loginName:$password`
-
+authorization=`echo -n "$loginName:$password" | base64`
 
 wget --no-check-certificate \
    --header "Authorization: Basic $authorization" \
diff --git a/scripts/rest-clients/import.sh b/scripts/rest-clients/import.sh
index 912fa2297..e8facdf4a 100644
--- a/scripts/rest-clients/import.sh
+++ b/scripts/rest-clients/import.sh
@@ -25,7 +25,7 @@ if [ "$file" = "" ]; then
     exit 1
 fi
 
-authorization=`./base64.sh $loginName:$password`
+authorization=`echo -n "$loginName:$password" | base64`
 
 curl -sv -X POST $certificate -d @$file \
     --header "Content-type: application/xml" \