diff --git a/.gitea/workflows/on-pr.yaml b/.gitea/workflows/on-pr.yaml
new file mode 100644
index 0000000..d9f3736
--- /dev/null
+++ b/.gitea/workflows/on-pr.yaml
@@ -0,0 +1,23 @@
+name: Lint & Build
+
+on:
+  pull_request:
+
+jobs:
+  lint_and_build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [20.x]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          registry-url: 'https://npm.pkg.github.com'
+      - run: yarn
+      - name: Run lint
+        run: yarn lint
+      - name: Run build
+        run: yarn build
diff --git a/.github/workflows/on-pr.yaml b/.github/workflows/on-pr.yaml
new file mode 100644
index 0000000..d9f3736
--- /dev/null
+++ b/.github/workflows/on-pr.yaml
@@ -0,0 +1,23 @@
+name: Lint & Build
+
+on:
+  pull_request:
+
+jobs:
+  lint_and_build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [20.x]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          registry-url: 'https://npm.pkg.github.com'
+      - run: yarn
+      - name: Run lint
+        run: yarn lint
+      - name: Run build
+        run: yarn build
diff --git a/src/index.ts b/src/index.ts
index e94de8a..b3b128e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -440,7 +440,7 @@ export class Registry {
   /**
    * Onboard participant.
   */
-  async onboardParticipant ({ ethPayload, ethSignature, message }: MessageMsgOnboardParticipant, privateKey: string, fee: StdFee): Promise<MsgOnboardParticipantResponse> {
+  async onboardParticipant ({ ethPayload, ethSignature }: MessageMsgOnboardParticipant, privateKey: string, fee: StdFee): Promise<MsgOnboardParticipantResponse> {
     const account = new Account(Buffer.from(privateKey, 'hex'));
     await account.init();
     const laconicClient = await this.getLaconicClient(account);
@@ -449,7 +449,6 @@ export class Registry {
       account.address,
       ethPayload,
       ethSignature,
-      message,
       fee
     );
   }
diff --git a/src/laconic-client.ts b/src/laconic-client.ts
index 3afa6d4..ec57184 100644
--- a/src/laconic-client.ts
+++ b/src/laconic-client.ts
@@ -394,7 +394,6 @@ export class LaconicClient extends SigningStargateClient {
     signer: string,
     ethPayload: EthPayload,
     ethSignature: string,
-    message: string,
     fee: StdFee | 'auto' | number,
     memo = ''
   ) {
@@ -403,8 +402,7 @@ export class LaconicClient extends SigningStargateClient {
       value: {
         participant: signer,
         ethPayload,
-        ethSignature,
-        message
+        ethSignature
       }
     };
 
diff --git a/src/onboarding.test.ts b/src/onboarding.test.ts
index ea8f1f1..4876112 100644
--- a/src/onboarding.test.ts
+++ b/src/onboarding.test.ts
@@ -31,8 +31,7 @@ const onboardingTests = () => {
 
     await registry.onboardParticipant({
       ethPayload,
-      ethSignature,
-      message: 'Message signed by cosmos private key'
+      ethSignature
     }, privateKey, fee);
   });
 
diff --git a/src/types/cerc/onboarding/message.ts b/src/types/cerc/onboarding/message.ts
index 567da37..edbeccf 100644
--- a/src/types/cerc/onboarding/message.ts
+++ b/src/types/cerc/onboarding/message.ts
@@ -23,5 +23,4 @@ interface ethPayload {
 export interface MessageMsgOnboardParticipant {
   ethPayload: ethPayload
   ethSignature: string
-  message: string
 }