diff --git a/CHANGELOG.md b/CHANGELOG.md
index 38e6908..4e36e4b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ list yields a list of all related PRs for each release.
 
 # [unreleased]
 
+# [v6.1.1] 2024-03-06
+
 ## Added
 
 - Added Core Ctrl cmd to update leap seconds.
diff --git a/eive_tmtc/tmtc/acs/acs_ctrl.py b/eive_tmtc/tmtc/acs/acs_ctrl.py
index 9f72faa..a2ab713 100644
--- a/eive_tmtc/tmtc/acs/acs_ctrl.py
+++ b/eive_tmtc/tmtc/acs/acs_ctrl.py
@@ -7,12 +7,7 @@ import struct
 from socket import AF_INET
 from typing import Tuple
 
-from tmtccmd.config.tmtc import (
-    CmdTreeNode,
-    OpCodeEntry,
-    TmtcDefinitionWrapper,
-    tmtc_definitions_provider,
-)
+from tmtccmd.config.tmtc import CmdTreeNode
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
 from tmtccmd.pus.s8_fsfw_action import create_action_cmd
 from tmtccmd.pus.s20_fsfw_param import create_load_param_cmd
@@ -37,7 +32,6 @@ from tmtccmd.pus.tc.s3_fsfw_hk import (
 )
 from tmtccmd.tmtc.queue import DefaultPusQueueHelper
 
-from eive_tmtc.config.definitions import CustomServiceList
 from eive_tmtc.config.object_ids import ACS_CONTROLLER
 from eive_tmtc.pus_tm.defs import PrintWrapper
 from eive_tmtc.tmtc.acs.defs import AcsMode, SafeSubmode
diff --git a/eive_tmtc/tmtc/core.py b/eive_tmtc/tmtc/core.py
index 369e30e..f80d6ab 100644
--- a/eive_tmtc/tmtc/core.py
+++ b/eive_tmtc/tmtc/core.py
@@ -6,7 +6,7 @@ from pathlib import Path
 from typing import Tuple
 
 from spacepackets.ecss import PusTelecommand
-from tmtccmd.config import CmdTreeNode, TmtcDefinitionWrapper
+from tmtccmd.config import CmdTreeNode
 
 from tmtccmd.tmtc import DefaultPusQueueHelper
 from tmtccmd.pus.s8_fsfw_action import create_action_cmd
@@ -15,14 +15,12 @@ from tmtccmd.pus.s20_fsfw_param import (
     create_scalar_u8_parameter,
     create_load_param_cmd,
 )
-from tmtccmd.config.tmtc import OpCodeEntry, tmtc_definitions_provider
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
 from tmtccmd.pus.s11_tc_sched import (
     create_enable_tc_sched_cmd,
     create_disable_tc_sched_cmd,
 )
 
-from eive_tmtc.config.definitions import CustomServiceList
 from eive_tmtc.config.object_ids import CORE_CONTROLLER_ID
 from eive_tmtc.pus_tm.defs import PrintWrapper
 
diff --git a/pyproject.toml b/pyproject.toml
index e4f2a5e..36e7208 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ build-backend = "setuptools.build_meta"
 name = "eive-tmtc"
 description = "TMTC Commander EIVE"
 readme = "README.md"
-version = "6.1.0"
+version = "6.1.1"
 requires-python = ">=3.10"
 license = {text = "Apache-2.0"}
 authors = [