diff --git a/generate-modified-sources.sh b/generate-modified-sources.sh
deleted file mode 100644
index bb21ac3..0000000
--- a/generate-modified-sources.sh
+++ /dev/null
@@ -1,46 +0,0 @@
-#!/bin/bash
-
-# This script downloads sources and modifies them
-
-set -ex
-
-NAME="mariadb"
-VERSION=`rpmspec -q --srpm --qf '%{VERSION}' "$NAME.spec" `
-# SOURCES_URL=`spectool -s 0 "$NAME.spec" | cut -d ' ' -f 2 `
-SOURCES_URL="https://downloads.mariadb.org/interstitial/mariadb-$VERSION/source/mariadb-$VERSION.tar.gz"
-
-OLD_ARCHIVE_NAME="${NAME}-${VERSION}"
-NEW_ARCHIVE_NAME="${NAME}-${VERSION}-downstream_modified"
-
-# Retrieve the archive:
-
-rm -rf "${OLD_ARCHIVE_NAME}.tar.gz" "${OLD_ARCHIVE_NAME}/" "${NEW_ARCHIVE_NAME}.tar.gz" "${NEW_ARCHIVE_NAME}/"
-wget "$SOURCES_URL"
-
-# Modify the archive:
-
-# 1/ Change both the name of the archive and the name of the base directory inside of the archive
-#    It will be necessary to change the name in the SPECfile in the %prep phase
-#    This will prevent maintainer to rebase to a non-modified sources archive without changing the SPECfile
-
-tar -xof "${OLD_ARCHIVE_NAME}.tar.gz"
-mv "${OLD_ARCHIVE_NAME}" "${NEW_ARCHIVE_NAME}"
-
-# 2/ Remove the code licensed under the PerconaFT license
-#    which was not yet reviewed as suitable for Fedora or RHEL.
-#
-#    License file:
-#      storage/tokudb/PerconaFT/PATENTS
-#
-#    The whole storage engine, which requires code under this license
-#    has to be removed before uploading sources to Fedora.
-
-rm -r "${NEW_ARCHIVE_NAME}/storage/tokudb"
-
-# Pack the extracted files back to the archive
-
-tar -czf "${NEW_ARCHIVE_NAME}.tar.gz" "${NEW_ARCHIVE_NAME}"
-
-# Remove the decompressed original used to create the archive
-
-rm -r "${NEW_ARCHIVE_NAME}/"
diff --git a/mariadb.spec b/mariadb.spec
index 3e8bccf..0846062 100644
--- a/mariadb.spec
+++ b/mariadb.spec
@@ -156,12 +156,7 @@ URL:              http://mariadb.org
 # Exceptions allow client libraries to be linked with most open source SW, not only GPL code.  See README.mysql-license
 License:          GPLv2 with exceptions and LGPLv2 and BSD
 
-# Original upstream sources archive URL
-# Source0:          https://downloads.mariadb.org/interstitial/mariadb-%{version}/source/mariadb-%{version}.tar.gz
-# Non-existent URL containing correct archive name
-#   The archive was created by executing the "generate-modified-sources.sh" script
-Source0:          https://fedoraproject.org/mariadb-%{version}-downstream_modified.tar.gz
-
+Source0:          https://downloads.mariadb.org/interstitial/mariadb-%{version}/source/mariadb-%{version}.tar.gz
 Source2:          mysql_config_multilib.sh
 Source3:          my.cnf.in
 Source6:          README.mysql-docs
@@ -717,7 +712,7 @@ sources.
 
 
 %prep
-%setup -q -n mariadb-%{version}-downstream_modified
+%setup -q -n %{pkg_name}-%{version}
 
 # Remove JAR files that upstream puts into tarball
 find . -name "*.jar" -type f -exec rm --verbose -f {} \;