diff --git a/.github/workflows/release-artifacts.yml b/.github/workflows/release-artifacts.yml
index 03c2b0a326..531680b989 100644
--- a/.github/workflows/release-artifacts.yml
+++ b/.github/workflows/release-artifacts.yml
@@ -114,19 +114,12 @@ jobs:
         os:
           - ubuntu-24.04
           - ubuntu-24.04-arm
-          - macos-14 # This uses arm64
-          - macos-15-intel # This uses x86-64
         # is_pr is a flag used to exclude certain jobs from the matrix on PRs.
         # It is not read by the rest of the workflow.
         is_pr:
           - ${{ startsWith(github.ref, 'refs/pull/') }}
 
         exclude:
-          # Don't build macos wheels on PR CI.
-          - is_pr: true
-            os: "macos-15-intel"
-          - is_pr: true
-            os: "macos-14"
           # Don't build aarch64 wheels on PR CI.
           - is_pr: true
             os: "ubuntu-24.04-arm"
diff --git a/changelog.d/19263.misc b/changelog.d/19263.misc
new file mode 100644
index 0000000000..62b7594108
--- /dev/null
+++ b/changelog.d/19263.misc
@@ -0,0 +1 @@
+Stop building macos wheels in CI pipeline.
diff --git a/pyproject.toml b/pyproject.toml
index 5ee843365d..8cee32ecfa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -424,7 +424,3 @@ test-command = "python -c 'from synapse.synapse_rust import sum_as_string; print
 [tool.cibuildwheel.linux]
 # Wrap the repair command to correctly rename the built cpython wheels as ABI3.
 repair-wheel-command = "./.ci/scripts/auditwheel_wrapper.py -w {dest_dir} {wheel}"
-
-[tool.cibuildwheel.macos]
-# Wrap the repair command to correctly rename the built cpython wheels as ABI3.
-repair-wheel-command = "./.ci/scripts/auditwheel_wrapper.py --require-archs {delocate_archs} -w {dest_dir} {wheel}"