diff --git a/.github/workflows/build-publish-images.yml b/.github/workflows/build-publish-images.yml
index 4ef4a354..a192c90a 100644
--- a/.github/workflows/build-publish-images.yml
+++ b/.github/workflows/build-publish-images.yml
@@ -48,8 +48,9 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Configure git safe.directory
         run: git config --global --add safe.directory '*'
-      - name: Add wasm32v1-none target
-        run: rustup target add wasm32v1-none
+      # NOTE: wasm32v1-none target removed - serde_core + Rust 1.88 bug
+      # wasm-builder will fallback to wasm32-unknown-unknown automatically
+      # Tracking: https://github.com/pezkuwichain/pezkuwi-sdk/issues/358
       - name: build
         id: required
         run: |
@@ -103,8 +104,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      - name: Add wasm32v1-none target
-        run: rustup target add wasm32v1-none
+      # NOTE: wasm32v1-none target removed - serde_core + Rust 1.88 bug
+      # wasm-builder will fallback to wasm32-unknown-unknown automatically
       - name: build
         id: required
         run: |
@@ -139,8 +140,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      - name: Add wasm32v1-none target
-        run: rustup target add wasm32v1-none
+      # NOTE: wasm32v1-none target removed - serde_core + Rust 1.88 bug
+      # wasm-builder will fallback to wasm32-unknown-unknown automatically
       - name: build
         id: required
         run: |
@@ -177,8 +178,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      - name: Add wasm32v1-none target
-        run: rustup target add wasm32v1-none
+      # NOTE: wasm32v1-none target removed - serde_core + Rust 1.88 bug
+      # wasm-builder will fallback to wasm32-unknown-unknown automatically
       - name: build
         id: required
         run: |
@@ -216,8 +217,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      - name: Add wasm32v1-none target
-        run: rustup target add wasm32v1-none
+      # NOTE: wasm32v1-none target removed - serde_core + Rust 1.88 bug
+      # wasm-builder will fallback to wasm32-unknown-unknown automatically
       - name: build
         id: required
         run: |
@@ -256,8 +257,8 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Configure git safe.directory
         run: git config --global --add safe.directory '*'
-      - name: Add wasm32v1-none target
-        run: rustup target add wasm32v1-none
+      # NOTE: wasm32v1-none target removed - serde_core + Rust 1.88 bug
+      # wasm-builder will fallback to wasm32-unknown-unknown automatically
       - name: build
         id: required
         run: |
@@ -299,8 +300,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      - name: Add wasm32v1-none target
-        run: rustup target add wasm32v1-none
+      # NOTE: wasm32v1-none target removed - serde_core + Rust 1.88 bug
+      # wasm-builder will fallback to wasm32-unknown-unknown automatically
       - name: build
         id: required
         run: |
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 5f1d8853..cad769c1 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -42,7 +42,7 @@ jobs:
           cache-on-failure: true
 
       - name: Add wasm32v1-none target
-        run: rustup target add wasm32v1-none
+        run: rustup target add wasm32v1-none || true
 
       - name: script
         id: required
diff --git a/.github/workflows/tests-evm.yml b/.github/workflows/tests-evm.yml
index bfa9a712..7e100e66 100644
--- a/.github/workflows/tests-evm.yml
+++ b/.github/workflows/tests-evm.yml
@@ -45,8 +45,8 @@ jobs:
           curl -Lsf --show-error -o resolc "$ASSET_URL"
           chmod +x resolc
           ./resolc --version
-      - name: Add wasm32v1-none target
-        run: rustup target add wasm32v1-none
+      # NOTE: wasm32v1-none target removed - serde_core + Rust 1.88 bug
+      # wasm-builder will fallback to wasm32-unknown-unknown automatically
       - name: Building the dependencies from the Pezkuwi SDK
         run: cargo build --locked --profile release -p pezpallet-revive-eth-rpc -p pez-revive-dev-node
       - name: Checkout the Differential Tests Repository
@@ -119,8 +119,8 @@ jobs:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
-      - name: Add wasm32v1-none target
-        run: rustup target add wasm32v1-none
+      # NOTE: wasm32v1-none target removed - serde_core + Rust 1.88 bug
+      # wasm-builder will fallback to wasm32-unknown-unknown automatically
       - name: script
         run: |
           cargo build --locked --release -p pezpallet-revive-eth-rpc --bin eth-rpc
diff --git a/.github/workflows/tests-misc.yml b/.github/workflows/tests-misc.yml
index 9398b6ea..8f99e1a9 100644
--- a/.github/workflows/tests-misc.yml
+++ b/.github/workflows/tests-misc.yml
@@ -281,8 +281,8 @@ jobs:
           rm -rf ~/.cargo/registry/cache 2>/dev/null || true
           rm -rf ~/.cargo/git/db 2>/dev/null || true
 
-      - name: Add wasm32v1-none target
-        run: rustup target add wasm32v1-none
+      # NOTE: wasm32v1-none target removed - serde_core + Rust 1.88 bug
+      # wasm-builder will fallback to wasm32-unknown-unknown automatically
 
       - name: Run tests
         id: tests