diff --git a/aot-plugin/src/main/java/io/micronaut/gradle/aot/MicronautAotPlugin.java b/aot-plugin/src/main/java/io/micronaut/gradle/aot/MicronautAotPlugin.java
index 89133511..b8fa8da0 100644
--- a/aot-plugin/src/main/java/io/micronaut/gradle/aot/MicronautAotPlugin.java
+++ b/aot-plugin/src/main/java/io/micronaut/gradle/aot/MicronautAotPlugin.java
@@ -50,7 +50,6 @@
 import org.gradle.api.plugins.JavaPlugin;
 import org.gradle.api.provider.Provider;
 import org.gradle.api.provider.ProviderFactory;
-import org.gradle.api.specs.Spec;
 import org.gradle.api.tasks.JavaExec;
 import org.gradle.api.tasks.SourceSet;
 import org.gradle.api.tasks.TaskContainer;
@@ -449,48 +448,6 @@ private static String normalizePath(String path) {
         }
     }
 
-    private static class ExclusionSpec implements Spec<File> {
-        private final Provider<RegularFile> filterFile;
-        private final Set<String> prefixes;
-        private final Logger logger;
-        private Set<String> excludes;
-
-        private ExclusionSpec(Provider<RegularFile> filterFile,
-                                 Set<String> prefixes,
-                                 Logger logger) {
-            this.filterFile = filterFile;
-            this.prefixes = prefixes;
-            this.logger = logger;
-        }
-
-        @Override
-        public boolean isSatisfiedBy(File file) {
-            if (excludes == null) {
-                File resourceFilter = filterFile.get().getAsFile();
-                try {
-                    excludes = new HashSet<>();
-                    Files.readAllLines(resourceFilter.toPath())
-                            .stream()
-                            .map(JarExclusionSpec::normalizePath)
-                            .forEach(excludes::add);
-                } catch (IOException e) {
-                    throw new RuntimeException(e);
-                }
-                logger.debug("Excluded resources: {} ", excludes);
-            }
-            var relativePath = file.toString();
-            if (excludes.contains(normalizePath(relativePath)) || prefixes.stream().anyMatch(p -> normalizePath(relativePath).startsWith(p))) {
-                return false;
-            }
-            return true;
-        }
-
-        private static String normalizePath(String path) {
-            return path.replace('\\', '/');
-        }
-
-    }
-
     private static final class Configurations {
         private final Configuration aotOptimizerRuntimeClasspath;
         private final Configuration aotApplication;
diff --git a/functional-tests/src/test/groovy/io/micronaut/gradle/testresources/TestResourcesWithAotSpec.groovy b/functional-tests/src/test/groovy/io/micronaut/gradle/testresources/TestResourcesWithAotSpec.groovy
index b69139f5..9c93793c 100644
--- a/functional-tests/src/test/groovy/io/micronaut/gradle/testresources/TestResourcesWithAotSpec.groovy
+++ b/functional-tests/src/test/groovy/io/micronaut/gradle/testresources/TestResourcesWithAotSpec.groovy
@@ -50,4 +50,35 @@ micronaut {
         !result.output.contains("Configuration with name 'optimizedRuntimeClasspath' not found.")
         result.task(':help').outcome == TaskOutcome.SUCCESS
     }
+
+    @Issue("https://github.com/micronaut-projects/micronaut-gradle-plugin/issues/852")
+    def "test resources client shouldn't be on the AOT classpath"() {
+        settingsFile << "rootProject.name = 'test'"
+        buildFile << """plugins {
+    id("io.micronaut.minimal.library")
+    id("io.micronaut.aot")
+    id("io.micronaut.test-resources")
+}
+
+repositories {
+    mavenCentral()
+}
+
+micronaut {
+    version "$micronautVersion"
+}
+
+tasks.named("prepareJitOptimizations") {
+    doFirst {
+        assert classpath.files.stream().noneMatch { it.name.startsWith("micronaut-test-resources-client-") }
+    }
+}
+
+"""
+        when:
+        def result = build 'prepareJitOptimizations'
+
+        then:
+        result.task(":prepareJitOptimizations").outcome == TaskOutcome.SUCCESS
+    }
 }
diff --git a/test-resources-plugin/src/main/java/io/micronaut/gradle/testresources/internal/TestResourcesAOT.java b/test-resources-plugin/src/main/java/io/micronaut/gradle/testresources/internal/TestResourcesAOT.java
index 68621324..7202fd91 100644
--- a/test-resources-plugin/src/main/java/io/micronaut/gradle/testresources/internal/TestResourcesAOT.java
+++ b/test-resources-plugin/src/main/java/io/micronaut/gradle/testresources/internal/TestResourcesAOT.java
@@ -36,8 +36,6 @@ public final class TestResourcesAOT {
     public static void configure(Project project, Configuration client) {
         AOTExtension aot = PluginsHelper.findMicronautExtension(project).getExtensions().getByType(AOTExtension.class);
         ConfigurationContainer configurations = project.getConfigurations();
-        Configuration aotAppClasspath = configurations.getByName(MicronautAotPlugin.AOT_APPLICATION_CLASSPATH);
-        aotAppClasspath.extendsFrom(client);
         project.getPluginManager().withPlugin("io.micronaut.minimal.application", unused -> {
             Configuration optimizedRuntimeClasspath = configurations.getByName(MicronautAotPlugin.OPTIMIZED_RUNTIME_CLASSPATH_CONFIGURATION_NAME);
             optimizedRuntimeClasspath.extendsFrom(client);