diff --git a/pyproject.toml b/pyproject.toml
index 8ad0d5db7..bf4fbe2e7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "asammdf"
-description="ASAM MDF measurement data file parser"
+description = "ASAM MDF measurement data file parser"
 readme = "README.md"
 requires-python = ">=3.9"
 license = { text = "LGPLv3+" }
@@ -47,30 +47,11 @@ dependencies = [
 
 [project.optional-dependencies]
 decode = ["faust-cchardet==2.1.19", "chardet"]
-export = [
-    "pyarrow",
-    "h5py",
-    "hdf5storage>=0.1.19",
-    "python-snappy",
-    "polars",
-]
-testing = [
-    "h5py",
-    "pyarrow",
-    "python-can",
-    "scipy",
-]
-export_matlab_v5 = ["scipy"]
-gui = [
-    "natsort",
-    "PySide6",
-    "pyqtgraph",
-    "pyqtlet2",
-    "packaging",
-    "QtPy",
-]
+export = ["pyarrow", "h5py", "hdf5storage>=0.1.19", "python-snappy", "polars"]
+export-matlab-v5 = ["scipy"]
+gui = ["natsort", "PySide6", "pyqtgraph", "pyqtlet2", "packaging", "QtPy"]
 encryption = ["cryptography", "keyring"]
-symbolic_math = ["sympy"]
+symbolic-math = ["sympy"]
 filesystem = ["fsspec"]
 
 [project.scripts]
diff --git a/requirements.txt b/requirements.txt
index 53e1bc3aa..2856b5cef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 # Development dependencies
---editable .[decode,encryption,export,export_matlab_v5,filesystem,gui,symbolic_math]
+--editable .[decode,encryption,export,export-matlab-v5,filesystem,gui,symbolic-math]
 --requirement benchmarks/requirements.txt
 --requirement ci/requirements.txt
 --requirement doc/requirements.txt
diff --git a/test/requirements.txt b/test/requirements.txt
index 9a510b6cf..2dac5eed5 100644
--- a/test/requirements.txt
+++ b/test/requirements.txt
@@ -2,4 +2,5 @@ PyAutoGUI
 pytest
 pytest-cov
 pytest-timeout
-xmlrunner; python_version < "3.12"
\ No newline at end of file
+python-can
+xmlrunner; python_version < "3.12"
diff --git a/tox.ini b/tox.ini
index 14b0e84bc..dab255af9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,8 +11,9 @@ envlist = py39, py310, py311, py312, py313, black, ruff, doc
 deps =
     --requirement test/requirements.txt
 extras =
+    export
+    export-matlab-v5
     gui
-    testing
 passenv = DISPLAY,XAUTHORITY
 setenv =
     DISPLAY = :0
@@ -49,9 +50,9 @@ extras =
     decode
     encryption
     export
-    export_matlab_v5
+    export-matlab-v5
     gui
-    symbolic_math
+    symbolic-math
 commands =
     pyinstaller asammdf.spec {posargs}