diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4f4df59..13c6faa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
           "test/go",
         ]
 
-    runs-on: ubuntu-latest
+    runs-on: self-hosted
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/hash/asm_test.go b/hash/asm_test.go
index a7ad451..d9e8a08 100644
--- a/hash/asm_test.go
+++ b/hash/asm_test.go
@@ -1,8 +1,3 @@
-// GitHub actions run on machines not supporting AVX-512 instructions.
-//go:build nogithub
-
-//nolint:lll
-
 package hash
 
 import (
@@ -44,7 +39,7 @@ var (
 )
 
 func TestBlake3OneMessage(t *testing.T) {
-	for i := range len(zeroMatrix) {
+	for i := range zeroMatrix {
 		matrix := zeroMatrix
 		matrix[i] = on
 
@@ -93,7 +88,7 @@ func TestBlake3Zeros(t *testing.T) {
 }
 
 func TestLastHashIsStored(t *testing.T) {
-	for i := range len(zeroMatrix) {
+	for i := range zeroMatrix {
 		matrix := zeroMatrix
 		matrix[i] = on
 
diff --git a/space/compare/asm_test.go b/space/compare/asm_test.go
index c65fee9..8ae2bec 100644
--- a/space/compare/asm_test.go
+++ b/space/compare/asm_test.go
@@ -1,6 +1,3 @@
-// GitHub actions run on machines not supporting AVX-512 instructions.
-//go:build nogithub
-
 package compare
 
 import (
diff --git a/space/space_test.go b/space/space_test.go
index efc88e0..d2a1f2b 100644
--- a/space/space_test.go
+++ b/space/space_test.go
@@ -1,6 +1,3 @@
-// GitHub actions run on machines not supporting AVX-512 instructions.
-//go:build nogithub
-
 package space
 
 import (
@@ -2294,7 +2291,7 @@ func TestSpaceDeallocation(t *testing.T) {
 	const numOfItems = 1000
 
 	appState := state.NewForTest(t, stateSize)
-	tx := pipeline.NewTransactionRequestFactory().New()
+	txFactory := pipeline.NewTransactionRequestFactory()
 
 	s := NewSpaceTest[uint64, uint64](t, appState, nil, false)
 
@@ -2306,8 +2303,11 @@ func TestSpaceDeallocation(t *testing.T) {
 			Key:     i,
 			KeyHash: types.KeyHash(i + 1),
 		}, StageData)
+
+		tx := txFactory.New()
 		requireT.NoError(s.SetKey(tx, v, i))
-		for i := range v.storeRequest.PointersToStore {
+		requireT.NotNil(tx.StoreRequest)
+		for i := range tx.StoreRequest.PointersToStore {
 			if v.storeRequest.Store[i].Pointer.PersistentAddress != 0 {
 				continue
 			}