diff --git a/dist/redhat/build_rpm.sh b/dist/redhat/build_rpm.sh
deleted file mode 100755
index 4e7e8cf..0000000
--- a/dist/redhat/build_rpm.sh
+++ /dev/null
@@ -1,59 +0,0 @@
-#!/bin/bash -e
-
-PRODUCT=$(cat SCYLLA-PRODUCT-FILE)
-
-. /etc/os-release
-print_usage() {
-    echo "build_rpm.sh --reloc-pkg build/scylla-jmx-package.tar.gz"
-    echo "  --reloc-pkg specify relocatable package path"
-    exit 1
-}
-RELOC_PKG=
-while [ $# -gt 0 ]; do
-    case "$1" in
-        "--reloc-pkg")
-            RELOC_PKG=$2
-            shift 2
-            ;;
-        *)
-            print_usage
-            ;;
-    esac
-done
-
-is_redhat_variant() {
-    [ -f /etc/redhat-release ]
-}
-
-if [ ! -e SCYLLA-RELOCATABLE-FILE ]; then
-    echo "do not directly execute build_rpm.sh, use reloc/build_rpm.sh instead."
-    exit 1
-fi
-
-if [ -z "$RELOC_PKG" ]; then
-    print_usage
-    exit 1
-fi
-if [ ! -f "$RELOC_PKG" ]; then
-    echo "$RELOC_PKG is not found."
-    exit 1
-fi
-
-SCYLLA_VERSION=$(cat SCYLLA-VERSION-FILE)
-SCYLLA_RELEASE=$(cat SCYLLA-RELEASE-FILE)
-VERSION=$SCYLLA_VERSION-$SCYLLA_RELEASE
-
-RPMBUILD=$(readlink -f ../)
-mkdir -p $RPMBUILD/{BUILD,BUILDROOT,RPMS,SOURCES,SPECS,SRPMS}
-
-ln -fv $RELOC_PKG $RPMBUILD/SOURCES/
-
-parameters=(
-    -D"version $SCYLLA_VERSION"
-    -D"release $SCYLLA_RELEASE"
-    -D"product $PRODUCT"
-)
-
-cp dist/redhat/scylla-jmx.spec $RPMBUILD/SPECS
-# this rpm can be install on both fedora / centos7, so drop distribution name from the file name
-rpmbuild -ba "${parameters[@]}" --define '_binary_payload w2.xzdio' --define "_topdir $RPMBUILD" --undefine "dist" $RPM_JOBS_OPTS $RPMBUILD/SPECS/scylla-jmx.spec
diff --git a/reloc/build_rpm.sh b/reloc/build_rpm.sh
index 36772a5..2c5a229 100755
--- a/reloc/build_rpm.sh
+++ b/reloc/build_rpm.sh
@@ -1,19 +1,16 @@
 #!/bin/bash -e
 
-. /etc/os-release
 print_usage() {
     echo "build_rpm.sh --reloc-pkg build/scylla-jmx-package.tar.gz"
     echo "  --reloc-pkg specify relocatable package path"
     echo "  --builddir specify rpmbuild directory"
     exit 1
 }
-RELOC_PKG=$(readlink -f build/scylla-jmx-package.tar.gz)
+RELOC_PKG=build/scylla-jmx-package.tar.gz
 BUILDDIR=build/redhat
-OPTS=""
 while [ $# -gt 0 ]; do
     case "$1" in
         "--reloc-pkg")
-            OPTS="$OPTS $1 $(readlink -f $2)"
             RELOC_PKG=$2
             shift 2
             ;;
@@ -27,10 +24,27 @@ while [ $# -gt 0 ]; do
     esac
 done
 
-if [[ ! $OPTS =~ --reloc-pkg ]]; then
-    OPTS="$OPTS --reloc-pkg $RELOC_PKG"
-fi
+RELOC_PKG=$(readlink -f $RELOC_PKG)
+RPMBUILD=$(readlink -f $BUILDDIR)
 mkdir -p "$BUILDDIR"
 tar -C "$BUILDDIR" -xpf $RELOC_PKG scylla-jmx/SCYLLA-RELEASE-FILE scylla-jmx/SCYLLA-RELOCATABLE-FILE scylla-jmx/SCYLLA-VERSION-FILE scylla-jmx/SCYLLA-PRODUCT-FILE scylla-jmx/dist/redhat
 cd "$BUILDDIR"/scylla-jmx
-exec ./dist/redhat/build_rpm.sh $OPTS
+
+SCYLLA_VERSION=$(cat SCYLLA-VERSION-FILE)
+SCYLLA_RELEASE=$(cat SCYLLA-RELEASE-FILE)
+VERSION=$SCYLLA_VERSION-$SCYLLA_RELEASE
+PRODUCT=$(cat SCYLLA-PRODUCT-FILE)
+
+mkdir -p $RPMBUILD/{BUILD,BUILDROOT,RPMS,SOURCES,SPECS,SRPMS}
+
+ln -fv $RELOC_PKG $RPMBUILD/SOURCES/
+
+parameters=(
+    -D"version $SCYLLA_VERSION"
+    -D"release $SCYLLA_RELEASE"
+    -D"product $PRODUCT"
+)
+
+cp dist/redhat/scylla-jmx.spec $RPMBUILD/SPECS
+# this rpm can be install on both fedora / centos7, so drop distribution name from the file name
+rpmbuild -ba "${parameters[@]}" --define '_binary_payload w2.xzdio' --define "_topdir $RPMBUILD" --undefine "dist" $RPMBUILD/SPECS/scylla-jmx.spec