diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
index 360275474..1812ad969 100644
--- a/.github/workflows/pylint.yml
+++ b/.github/workflows/pylint.yml
@@ -13,7 +13,6 @@ jobs:
       - name: Install dependencies for running Pylint
         run: |
           pip install -U \
-            airium \
             black \
             git+https://github.com/akaihola/darkgraylib.git@main \
             defusedxml \
diff --git a/constraints-oldest.txt b/constraints-oldest.txt
index 3a8851415..1b729c34a 100644
--- a/constraints-oldest.txt
+++ b/constraints-oldest.txt
@@ -3,7 +3,6 @@
 # still works against oldest supported versions of both the Python
 # interpreter and Python ependencies. Keep this up-to-date with minimum
 # versions in `setup.cfg`.
-airium==0.2.3
 black==22.3.0
 darkgraylib==1.3.1
 defusedxml==0.7.1
diff --git a/mypy.ini b/mypy.ini
index 1dd9ebd82..eeb3faaf6 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -35,9 +35,6 @@ disallow_any_decorated = False
 disallow_untyped_calls = False
 disallow_untyped_defs = False
 
-[mypy-airium.*]
-ignore_missing_imports = True
-
 [mypy-black.*]
 ignore_missing_imports = True
 implicit_reexport = True
diff --git a/setup.cfg b/setup.cfg
index 98f70653e..7c949e7cb 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -57,7 +57,6 @@ color =
     Pygments>=2.4.0
 test =
     # NOTE: remember to keep `constraints-oldest.txt` in sync with these
-    airium>=0.2.3
     black>=22.3.0
     cryptography>=3.3.2  # through twine, fixes CVE-2020-36242
     defusedxml>=0.7.1