diff --git a/packages/simcore-sdk/src/simcore_sdk/node_ports_common/r_clone.py b/packages/simcore-sdk/src/simcore_sdk/node_ports_common/r_clone.py
index 116cf0b0baa..6fee4bda267 100644
--- a/packages/simcore-sdk/src/simcore_sdk/node_ports_common/r_clone.py
+++ b/packages/simcore-sdk/src/simcore_sdk/node_ports_common/r_clone.py
@@ -172,9 +172,6 @@ async def _get_folder_size(
     return rclone_folder_size_result.bytes
 
 
-_DISABLE_RCLONE_MULTI_THREADED: Final[int] = 1
-
-
 async def _sync_sources(
     r_clone_settings: RCloneSettings,
     progress_bar: ProgressBarData,
@@ -222,8 +219,6 @@ async def _sync_sources(
             # filter options
             *_get_exclude_filters(exclude_patterns),
             "--links",
-            "--multi-thread-streams",
-            f"{_DISABLE_RCLONE_MULTI_THREADED}",
         )
 
         async with progress_bar.sub_progress(
diff --git a/scripts/install_rclone.bash b/scripts/install_rclone.bash
index f0f6593377f..4b67522b731 100755
--- a/scripts/install_rclone.bash
+++ b/scripts/install_rclone.bash
@@ -9,7 +9,7 @@ set -o nounset  # abort on unbound variable
 set -o pipefail # don't hide errors within pipes
 IFS=$'\n\t'
 
-R_CLONE_VERSION="1.66.0"
+R_CLONE_VERSION="1.63.1"
 curl --silent --location --remote-name "https://downloads.rclone.org/v${R_CLONE_VERSION}/rclone-v${R_CLONE_VERSION}-linux-amd64.deb"
 dpkg --install "rclone-v${R_CLONE_VERSION}-linux-amd64.deb"
 rm "rclone-v${R_CLONE_VERSION}-linux-amd64.deb"
diff --git a/services/agent/src/simcore_service_agent/modules/volumes_cleanup/_s3.py b/services/agent/src/simcore_service_agent/modules/volumes_cleanup/_s3.py
index 7f0ec28fba1..8fc5f29e2d3 100644
--- a/services/agent/src/simcore_service_agent/modules/volumes_cleanup/_s3.py
+++ b/services/agent/src/simcore_service_agent/modules/volumes_cleanup/_s3.py
@@ -114,9 +114,6 @@ def _log_expected_operation(
     logger.log(log_level, formatted_message)
 
 
-_DISABLE_RCLONE_MULTI_THREADED: Final[int] = 1
-
-
 async def store_to_s3(  # pylint:disable=too-many-locals,too-many-arguments
     volume_name: str,
     dyv_volume: dict,
@@ -192,8 +189,6 @@ async def store_to_s3(  # pylint:disable=too-many-locals,too-many-arguments
         f"{source_dir}",
         f"dst:{s3_path}",
         "--verbose",
-        "--multi-thread-streams",
-        f"{_DISABLE_RCLONE_MULTI_THREADED}",
     ]
 
     str_r_clone_sync = _get_r_clone_str_command(r_clone_sync, exclude_files)