diff --git a/spring-data-jdbc/src/test/java/org/springframework/data/jdbc/core/JdbcAggregateTemplateIntegrationTests.java b/spring-data-jdbc/src/test/java/org/springframework/data/jdbc/core/JdbcAggregateTemplateIntegrationTests.java
index 4d884f6f..d922181e 100644
--- a/spring-data-jdbc/src/test/java/org/springframework/data/jdbc/core/JdbcAggregateTemplateIntegrationTests.java
+++ b/spring-data-jdbc/src/test/java/org/springframework/data/jdbc/core/JdbcAggregateTemplateIntegrationTests.java
@@ -852,21 +852,6 @@ public class JdbcAggregateTemplateIntegrationTests {
 		template.save(saved);
 	}
 
-	@Test // DATAJDBC-637
-	@EnabledOnFeature(SUPPORTS_NANOSECOND_PRECISION)
-	public void saveAndLoadDateTimeWithFullPrecision() {
-
-		WithLocalDateTime entity = new WithLocalDateTime();
-		entity.id = 23L;
-		entity.testTime = LocalDateTime.of(2005, 5, 5, 5, 5, 5, 123456789);
-
-		template.insert(entity);
-
-		WithLocalDateTime loaded = template.findById(23L, WithLocalDateTime.class);
-
-		assertThat(loaded.testTime).isEqualTo(entity.testTime);
-	}
-
 	@Test // DATAJDBC-637
 	public void saveAndLoadDateTimeWithMicrosecondPrecision() {
 
diff --git a/spring-data-jdbc/src/test/java/org/springframework/data/jdbc/core/convert/BasicJdbcConverterUnitTests.java b/spring-data-jdbc/src/test/java/org/springframework/data/jdbc/core/convert/BasicJdbcConverterUnitTests.java
index f0681303..6420c685 100644
--- a/spring-data-jdbc/src/test/java/org/springframework/data/jdbc/core/convert/BasicJdbcConverterUnitTests.java
+++ b/spring-data-jdbc/src/test/java/org/springframework/data/jdbc/core/convert/BasicJdbcConverterUnitTests.java
@@ -102,7 +102,7 @@ public class BasicJdbcConverterUnitTests {
 	}
 
 	@Test // DATAJDBC-637
-	void conversionOfDateLikeValueAndBackYieldsOriginalValue() {
+	public void conversionOfDateLikeValueAndBackYieldsOriginalValue() {
 
 		RelationalPersistentEntity<?> persistentEntity = context.getRequiredPersistentEntity(DummyEntity.class);