diff --git a/spring-cloud-openfeign-core/pom.xml b/spring-cloud-openfeign-core/pom.xml
index d64a7490..d48d8be4 100644
--- a/spring-cloud-openfeign-core/pom.xml
+++ b/spring-cloud-openfeign-core/pom.xml
@@ -149,11 +149,6 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
-		<dependency>
-			<groupId>org.junit.vintage</groupId>
-			<artifactId>junit-vintage-engine</artifactId>
-			<scope>test</scope>
-		</dependency>
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-test-support</artifactId>
diff --git a/spring-cloud-openfeign-core/src/test/java/org/springframework/cloud/openfeign/security/OAuth2FeignRequestInterceptorTests.java b/spring-cloud-openfeign-core/src/test/java/org/springframework/cloud/openfeign/security/OAuth2FeignRequestInterceptorTests.java
index bdc7770a..57ffbf65 100644
--- a/spring-cloud-openfeign-core/src/test/java/org/springframework/cloud/openfeign/security/OAuth2FeignRequestInterceptorTests.java
+++ b/spring-cloud-openfeign-core/src/test/java/org/springframework/cloud/openfeign/security/OAuth2FeignRequestInterceptorTests.java
@@ -58,8 +58,6 @@ public class OAuth2FeignRequestInterceptorTests {
 		oAuth2FeignRequestInterceptor.apply(requestTemplate);
 		Map<String, Collection<String>> headers = requestTemplate.headers();
 
-		assertThat(headers.containsKey("Authorization")).describedAs("RequestTemplate must have a Authorization header")
-				.isTrue();
 		assertThat(headers.containsKey("Authorization")).describedAs("RequestTemplate must have a Authorization header")
 				.isTrue();
 		Assertions.assertThat(headers.get("Authorization")).describedAs("Authorization must have a extract of Fancy")
diff --git a/spring-cloud-openfeign-core/src/test/java/org/springframework/cloud/openfeign/support/SpringMvcContractTests.java b/spring-cloud-openfeign-core/src/test/java/org/springframework/cloud/openfeign/support/SpringMvcContractTests.java
index fbff0769..145ac5b8 100644
--- a/spring-cloud-openfeign-core/src/test/java/org/springframework/cloud/openfeign/support/SpringMvcContractTests.java
+++ b/spring-cloud-openfeign-core/src/test/java/org/springframework/cloud/openfeign/support/SpringMvcContractTests.java
@@ -64,7 +64,7 @@ import static com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility.NONE;
 import static feign.CollectionFormat.SSV;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
-import static org.junit.Assume.assumeTrue;
+import static org.junit.jupiter.api.Assumptions.assumeTrue;
 
 /**
  * @author chadjaros
@@ -457,7 +457,7 @@ public class SpringMvcContractTests {
 		Method method = TestTemplate_Advanced.class.getDeclaredMethod("getTestFallback", String.class, String.class,
 				Integer.class);
 
-		assumeTrue("does not have java 8 parameter names", hasJava8ParameterNames(method));
+		assumeTrue(hasJava8ParameterNames(method), "does not have java 8 parameter names");
 
 		MethodMetadata data = contract.parseAndValidateMetadata(method.getDeclaringClass(), method);