diff --git a/lesson_17/bank/bank_app/build.gradle.kts b/lesson_17/bank/bank_app/build.gradle.kts
index 3f029f942..8c5ec706b 100644
--- a/lesson_17/bank/bank_app/build.gradle.kts
+++ b/lesson_17/bank/bank_app/build.gradle.kts
@@ -17,14 +17,12 @@ repositories {
 
 dependencies {
     // Use JUnit Jupiter for testing.
-    testImplementation("com.codedifferently.instructional:instructional-lib")
     testImplementation("org.junit.jupiter:junit-jupiter:5.9.1")
     testImplementation("org.springframework.boot:spring-boot-starter-test")
     testImplementation("org.assertj:assertj-core:3.25.1")
     testImplementation("at.favre.lib:bcrypt:0.10.2")
 
     // This dependency is used by the application.
-    implementation("com.codedifferently.instructional:instructional-lib")
     implementation("com.google.guava:guava:31.1-jre")
     implementation("com.google.code.gson:gson:2.10.1")
     implementation("org.projectlombok:lombok:1.18.30")
diff --git a/lesson_17/bank/bank_app/src/test/java/com/codedifferently/lesson17/Lesson17Test.java b/lesson_17/bank/bank_app/src/test/java/com/codedifferently/lesson17/Lesson17Test.java
index 29ccdc4f5..1579e4bf9 100644
--- a/lesson_17/bank/bank_app/src/test/java/com/codedifferently/lesson17/Lesson17Test.java
+++ b/lesson_17/bank/bank_app/src/test/java/com/codedifferently/lesson17/Lesson17Test.java
@@ -3,7 +3,10 @@
 import static org.assertj.core.api.Assertions.assertThat;
 
 import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.UseMainMethod;
 
+@SpringBootTest(useMainMethod = UseMainMethod.WHEN_AVAILABLE)
 class Lesson17Test {
 
   @Test
diff --git a/lesson_17/bank/settings.gradle.kts b/lesson_17/bank/settings.gradle.kts
index 444376e6a..e921324fe 100644
--- a/lesson_17/bank/settings.gradle.kts
+++ b/lesson_17/bank/settings.gradle.kts
@@ -7,7 +7,5 @@
  * in the user manual at https://docs.gradle.org/8.0.2/userguide/multi_project_builds.html
  */
 
-includeBuild("../../lib/java/codedifferently-instructional")
-
 rootProject.name = "lesson_13"
 include("bank_app")