diff --git a/eslint.config.mjs b/eslint.config.mjs
index 752c49bbd..716e645e8 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -94,7 +94,7 @@ export default defineConfig([
             // *************** Code style and best practices ***************
             "unused-imports/no-unused-imports": "error",
             "unused-imports/no-unused-vars": [
-                "off", // // https://github.com/eclipse-thingweb/node-wot/issues/1430
+                "error",
                 {
                     args: "none",
                     varsIgnorePattern: "Test",
diff --git a/packages/binding-http/src/routes/action.ts b/packages/binding-http/src/routes/action.ts
index 2ed663e43..4acbf133a 100644
--- a/packages/binding-http/src/routes/action.ts
+++ b/packages/binding-http/src/routes/action.ts
@@ -48,7 +48,7 @@ export default async function actionRoute(
     let contentType: string = Array.isArray(contentTypeHeader) ? contentTypeHeader[0] : contentTypeHeader;
     try {
         contentType = validOrDefaultRequestContentType(req, res, contentType);
-    } catch (error) {
+    } catch {
         warn(
             `HttpServer received unsupported Content-Type from ${Helpers.toUriLiteral(req.socket.remoteAddress)}:${
                 req.socket.remotePort
diff --git a/packages/binding-http/src/routes/property.ts b/packages/binding-http/src/routes/property.ts
index 916bc6a9b..b0fcadbf5 100644
--- a/packages/binding-http/src/routes/property.ts
+++ b/packages/binding-http/src/routes/property.ts
@@ -48,7 +48,7 @@ export default async function propertyRoute(
     let contentType: string = Array.isArray(contentTypeHeader) ? contentTypeHeader[0] : contentTypeHeader;
     try {
         contentType = validOrDefaultRequestContentType(req, res, contentType);
-    } catch (error) {
+    } catch {
         warn(
             `HttpServer received unsupported Content-Type from ${Helpers.toUriLiteral(req.socket.remoteAddress)}:${
                 req.socket.remotePort
diff --git a/packages/binding-http/test/http-client-test.ts b/packages/binding-http/test/http-client-test.ts
index d5ec90e28..84ad9b438 100644
--- a/packages/binding-http/test/http-client-test.ts
+++ b/packages/binding-http/test/http-client-test.ts
@@ -176,7 +176,7 @@ class TestHttpServer implements ProtocolServer {
                         { type: ContentSerdes.DEFAULT, body: Buffer.concat(body) },
                         this.testVector.schema ?? { type: "string" }
                     );
-                } catch (err) {
+                } catch {
                     throw new Error("Cannot deserialize client payload");
                 }
                 expect(value).to.equal(this.testVector?.payload);
diff --git a/packages/binding-http/test/oauth-token-validation-tests.ts b/packages/binding-http/test/oauth-token-validation-tests.ts
index ef1a2b5cd..94f06a66b 100644
--- a/packages/binding-http/test/oauth-token-validation-tests.ts
+++ b/packages/binding-http/test/oauth-token-validation-tests.ts
@@ -265,7 +265,7 @@ describe("OAuth2.0 Validator tests", () => {
             try {
                 await this.validator.validate(req as http.IncomingMessage, [], /.*/g);
                 assert(false, "method did not throw");
-            } catch (error) {
+            } catch {
                 assert(true);
             }
         }
@@ -287,7 +287,7 @@ describe("OAuth2.0 Validator tests", () => {
             try {
                 await this.validator.validate(req as http.IncomingMessage, [], /.*/g);
                 assert(false, "method did not throw");
-            } catch (error) {
+            } catch {
                 assert(true);
             }
         }
@@ -309,7 +309,7 @@ describe("OAuth2.0 Validator tests", () => {
             try {
                 await this.validator.validate(req as http.IncomingMessage, [], /.*/g);
                 assert(false, "method did not throw");
-            } catch (error) {
+            } catch {
                 assert(true);
             }
         }
@@ -331,7 +331,7 @@ describe("OAuth2.0 Validator tests", () => {
             try {
                 await this.validator.validate(req as http.IncomingMessage, [], /.*/g);
                 assert(false, "method did not throw");
-            } catch (error) {
+            } catch {
                 assert(true);
             }
         }
diff --git a/packages/core/src/helpers.ts b/packages/core/src/helpers.ts
index a2a9a29b7..e39fb8c48 100644
--- a/packages/core/src/helpers.ts
+++ b/packages/core/src/helpers.ts
@@ -211,7 +211,7 @@ export default class Helpers implements Resolver {
     public static async parseInteractionOutput(response: WoT.InteractionOutput): Promise<DataSchemaValue> {
         try {
             return await response.value();
-        } catch (err) {
+        } catch {
             // TODO if response.value() fails, try low-level stream read
             error("parseInteractionOutput low-level stream not implemented");
             throw new Error("parseInteractionOutput low-level stream not implemented");