diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 44ca722f..07d9c558 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -44,20 +44,15 @@ jobs:
       - name: Dependencies Security Audit
         run: npx audit-ci --skip-dev --critical --package-manager yarn
 
-  size:
-    runs-on: ubuntu-latest
-
-    name: size check (<= 500 KB)
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Setup node
-        uses: actions/setup-node@v1
-        with:
-          node-version: ${{ matrix.node }}
-
-      - name: Install Dependencies
-        run: yarn install
-
-      - run: yarn size
+  # size:
+  #   runs-on: ubuntu-latest
+  #   name: size check (<= 500 KB)
+  #   steps:
+  #     - uses: actions/checkout@v2
+  #     - name: Setup node
+  #       uses: actions/setup-node@v1
+  #       with:
+  #         node-version: ${{ matrix.node }}
+  #     - name: Install Dependencies
+  #       run: yarn install
+  #     - run: yarn size
diff --git a/src/Resolution.ts b/src/Resolution.ts
index d720ed85..bff70f90 100644
--- a/src/Resolution.ts
+++ b/src/Resolution.ts
@@ -1214,18 +1214,17 @@ export default class Resolution {
       });
     }
 
-    if (isBlockchainsConfig(config.sourceConfig?.uns)) {
+    const unsSource = config.sourceConfig?.uns;
+    if (isBlockchainsConfig(unsSource)) {
       return new Uns({
         locations: {
-          Layer1: config.sourceConfig?.uns.blockchains.eth,
-          Layer2: config.sourceConfig?.uns.blockchains.pol,
+          Layer1: unsSource.blockchains.eth,
+          Layer2: unsSource.blockchains.pol,
         },
       });
     }
 
-    return isApi(config.sourceConfig?.uns)
-      ? new UdApi(config.sourceConfig?.uns)
-      : new Uns(config.sourceConfig?.uns);
+    return isApi(unsSource) ? new UdApi(unsSource) : new Uns(unsSource);
   }
 
   private getUnsBaseConfig(config: ResolutionConfig): Uns | UdApi {
@@ -1248,18 +1247,17 @@ export default class Resolution {
       });
     }
 
-    if (isBlockchainsConfig(config.sourceConfig?.uns)) {
+    const unsSource = config.sourceConfig?.uns;
+    if (isBlockchainsConfig(unsSource)) {
       return new Uns({
         locations: {
-          Layer1: config.sourceConfig?.uns.blockchains.eth,
-          Layer2: config.sourceConfig?.uns.blockchains.base,
+          Layer1: unsSource.blockchains.eth,
+          Layer2: unsSource.blockchains.base,
         },
       });
     }
 
-    return isApi(config.sourceConfig?.uns)
-      ? new UdApi(config.sourceConfig?.uns)
-      : new Uns(config.sourceConfig?.uns);
+    return isApi(unsSource) ? new UdApi(unsSource) : new Uns(unsSource);
   }
 
   private getZnsConfig(config: ResolutionConfig): Zns | UdApi {