diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 8cae493..ef51319 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -30,7 +30,13 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: '1.25'
-          cache: true
+          # cache:false — the self-hosted runner bind-mounts a persistent
+          # GOCACHE/GOMODCACHE (/var/cache/ci-go-{build,mod}); actions/cache is
+          # redundant and corrupts it by untarring over the bind mount ("File
+          # exists" -> "Failed to restore" -> partial cache -> linker/typecheck
+          # errors on heavy jobs, e.g. test -race link "too many errors" and
+          # go-arch-lint "without types"). Fleet sweep after the cp ci.yml find.
+          cache: false
       - name: Tidy
         run: go mod tidy && git diff --exit-code go.sum
       - name: Vet
diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
index 7bcb818..0e13d09 100644
--- a/.gitea/workflows/release.yml
+++ b/.gitea/workflows/release.yml
@@ -33,7 +33,13 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: '1.25'
-          cache: true
+          # cache:false — the self-hosted runner bind-mounts a persistent
+          # GOCACHE/GOMODCACHE (/var/cache/ci-go-{build,mod}); actions/cache is
+          # redundant and corrupts it by untarring over the bind mount ("File
+          # exists" -> "Failed to restore" -> partial cache -> linker/typecheck
+          # errors on heavy jobs, e.g. test -race link "too many errors" and
+          # go-arch-lint "without types"). Fleet sweep after the cp ci.yml find.
+          cache: false
       - name: Tidy
         run: go mod tidy && git diff --exit-code go.sum
       # Vet covers the whole module — was previously scoped to three
@@ -60,7 +66,13 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: '1.25'
-          cache: true
+          # cache:false — the self-hosted runner bind-mounts a persistent
+          # GOCACHE/GOMODCACHE (/var/cache/ci-go-{build,mod}); actions/cache is
+          # redundant and corrupts it by untarring over the bind mount ("File
+          # exists" -> "Failed to restore" -> partial cache -> linker/typecheck
+          # errors on heavy jobs, e.g. test -race link "too many errors" and
+          # go-arch-lint "without types"). Fleet sweep after the cp ci.yml find.
+          cache: false
       - name: Validate goreleaser config
         uses: goreleaser/goreleaser-action@v6
         with: