diff --git a/initializr-generator-spring/src/test/java/io/spring/initializr/generator/spring/code/SourceCodeProjectGenerationConfigurationTests.java b/initializr-generator-spring/src/test/java/io/spring/initializr/generator/spring/code/SourceCodeProjectGenerationConfigurationTests.java
index d6f72395..09b739b1 100644
--- a/initializr-generator-spring/src/test/java/io/spring/initializr/generator/spring/code/SourceCodeProjectGenerationConfigurationTests.java
+++ b/initializr-generator-spring/src/test/java/io/spring/initializr/generator/spring/code/SourceCodeProjectGenerationConfigurationTests.java
@@ -98,8 +98,10 @@ class SourceCodeProjectGenerationConfigurationTests {
 		this.projectTester.generate(description, (context) -> {
 			ServletInitializerContributor bean = context
 					.getBean(ServletInitializerContributor.class);
-			SourceCode sourceCode = mock(SourceCode.class);
-			CompilationUnit compilationUnit = mock(CompilationUnit.class);
+			SourceCode<TypeDeclaration, CompilationUnit<TypeDeclaration>> sourceCode = mock(
+					SourceCode.class);
+			CompilationUnit<TypeDeclaration> compilationUnit = mock(
+					CompilationUnit.class);
 			given(sourceCode.createCompilationUnit(any(), any()))
 					.willReturn(compilationUnit);
 			TypeDeclaration typeDeclaration = mock(TypeDeclaration.class);
diff --git a/initializr-generator/src/test/java/io/spring/initializr/generator/io/IndentingWriterTests.java b/initializr-generator/src/test/java/io/spring/initializr/generator/io/IndentingWriterTests.java
index ec3234c3..8f2f3001 100644
--- a/initializr-generator/src/test/java/io/spring/initializr/generator/io/IndentingWriterTests.java
+++ b/initializr-generator/src/test/java/io/spring/initializr/generator/io/IndentingWriterTests.java
@@ -16,6 +16,7 @@
 
 package io.spring.initializr.generator.io;
 
+import java.io.IOException;
 import java.io.StringWriter;
 
 import org.junit.jupiter.api.Test;
@@ -74,17 +75,18 @@ class IndentingWriterTests {
 	}
 
 	@Test
-	void customIndentStrategyIsUsed() {
-		IndentingWriter customIndentingWriter = new IndentingWriter(this.stringWriter,
-				new SimpleIndentStrategy("\t"));
-		customIndentingWriter.println("a");
-		customIndentingWriter.indented(() -> {
-			customIndentingWriter.println("b");
+	void customIndentStrategyIsUsed() throws IOException {
+		try (IndentingWriter customIndentingWriter = new IndentingWriter(
+				this.stringWriter, new SimpleIndentStrategy("\t"))) {
+			customIndentingWriter.println("a");
 			customIndentingWriter.indented(() -> {
-				customIndentingWriter.print("c");
-				customIndentingWriter.println("e");
+				customIndentingWriter.println("b");
+				customIndentingWriter.indented(() -> {
+					customIndentingWriter.print("c");
+					customIndentingWriter.println("e");
+				});
 			});
-		});
+		}
 		assertThat(this.stringWriter.toString()).isEqualTo("a\n\tb\n\t\tce\n");
 	}
 
diff --git a/initializr-generator/src/test/java/io/spring/initializr/generator/test/project/AbstractProjectGenerationTester.java b/initializr-generator/src/test/java/io/spring/initializr/generator/test/project/AbstractProjectGenerationTester.java
index 46febb68..da5fe017 100644
--- a/initializr-generator/src/test/java/io/spring/initializr/generator/test/project/AbstractProjectGenerationTester.java
+++ b/initializr-generator/src/test/java/io/spring/initializr/generator/test/project/AbstractProjectGenerationTester.java
@@ -34,6 +34,7 @@ import io.spring.initializr.generator.project.ProjectGenerationException;
 /**
  * Base tester for project generation.
  *
+ * @param <SELF> concrete type of the tester
  * @author Stephane Nicoll
  */
 public abstract class AbstractProjectGenerationTester<SELF extends AbstractProjectGenerationTester<SELF>> {
diff --git a/initializr-metadata/src/test/java/io/spring/initializr/metadata/InitializrMetadataBuilderTests.java b/initializr-metadata/src/test/java/io/spring/initializr/metadata/InitializrMetadataBuilderTests.java
index 976db34b..e5a7017a 100755
--- a/initializr-metadata/src/test/java/io/spring/initializr/metadata/InitializrMetadataBuilderTests.java
+++ b/initializr-metadata/src/test/java/io/spring/initializr/metadata/InitializrMetadataBuilderTests.java
@@ -196,7 +196,6 @@ class InitializrMetadataBuilderTests {
 		InitializrMetadata metadata = InitializrMetadataBuilder
 				.fromInitializrProperties(config)
 				.withInitializrProperties(forceSslConfig, true).build();
-		InitializrConfiguration.Env defaultEnv = new InitializrConfiguration().getEnv();
 		InitializrConfiguration.Env actualEnv = metadata.getConfiguration().getEnv();
 		assertThat(actualEnv.isForceSsl()).isEqualTo(true);
 	}
diff --git a/initializr-web/src/main/java/io/spring/initializr/web/project/ProjectGenerationInvoker.java b/initializr-web/src/main/java/io/spring/initializr/web/project/ProjectGenerationInvoker.java
index 775574db..bedff1ae 100644
--- a/initializr-web/src/main/java/io/spring/initializr/web/project/ProjectGenerationInvoker.java
+++ b/initializr-web/src/main/java/io/spring/initializr/web/project/ProjectGenerationInvoker.java
@@ -25,7 +25,6 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
-import io.spring.initializr.generator.buildsystem.Build;
 import io.spring.initializr.generator.buildsystem.BuildItemResolver;
 import io.spring.initializr.generator.project.DefaultProjectAssetGenerator;
 import io.spring.initializr.generator.project.ProjectAssetGenerator;
@@ -201,7 +200,6 @@ public class ProjectGenerationInvoker {
 
 	private void publishProjectGeneratedEvent(ProjectRequest request,
 			ProjectGenerationContext context) {
-		Build build = context.getBeanProvider(Build.class).getIfAvailable();
 		InitializrMetadata metadata = context.getBean(InitializrMetadata.class);
 		ProjectGeneratedEvent event = new ProjectGeneratedEvent(request, metadata);
 		this.eventPublisher.publishEvent(event);