diff --git a/extensions/rest-client/deployment/src/main/java/io/quarkus/restclient/deployment/RestClientProcessor.java b/extensions/rest-client/deployment/src/main/java/io/quarkus/restclient/deployment/RestClientProcessor.java
index 509e8c22c..53a5e0eb1 100644
--- a/extensions/rest-client/deployment/src/main/java/io/quarkus/restclient/deployment/RestClientProcessor.java
+++ b/extensions/rest-client/deployment/src/main/java/io/quarkus/restclient/deployment/RestClientProcessor.java
@@ -83,6 +83,9 @@ class RestClientProcessor {
     private static final DotName REGISTER_PROVIDER = DotName.createSimple(RegisterProvider.class.getName());
     private static final DotName REGISTER_PROVIDERS = DotName.createSimple(RegisterProviders.class.getName());
 
+    private static final DotName CLIENT_REQUEST_FILTER = DotName.createSimple(ClientRequestFilter.class.getName());
+    private static final DotName CLIENT_RESPONSE_FILTER = DotName.createSimple(ClientResponseFilter.class.getName());
+
     private static final String PROVIDERS_SERVICE_FILE = "META-INF/services/" + Providers.class.getName();
 
     @BuildStep
@@ -341,6 +344,15 @@ class RestClientProcessor {
             reflectiveClass
                     .produce(new ReflectiveClassBuildItem(false, false, annotationInstance.value().asClass().toString()));
         }
+
+        // now retain all un-annotated implementations of ClientRequestFilter and ClientResponseFilter
+        // in case they are programmatically registered by applications
+        for (ClassInfo info : index.getAllKnownImplementors(CLIENT_REQUEST_FILTER)) {
+            reflectiveClass.produce(new ReflectiveClassBuildItem(false, false, info.name().toString()));
+        }
+        for (ClassInfo info : index.getAllKnownImplementors(CLIENT_RESPONSE_FILTER)) {
+            reflectiveClass.produce(new ReflectiveClassBuildItem(false, false, info.name().toString()));
+        }
     }
 
     private boolean isRestClientInterface(IndexView index, ClassInfo classInfo) {
diff --git a/extensions/rest-client/runtime/src/main/java/io/quarkus/restclient/runtime/RestClientRecorder.java b/extensions/rest-client/runtime/src/main/java/io/quarkus/restclient/runtime/RestClientRecorder.java
index 82ec9adbe..43a49cd45 100644
--- a/extensions/rest-client/runtime/src/main/java/io/quarkus/restclient/runtime/RestClientRecorder.java
+++ b/extensions/rest-client/runtime/src/main/java/io/quarkus/restclient/runtime/RestClientRecorder.java
@@ -20,6 +20,7 @@ import io.quarkus.runtime.annotations.Recorder;
 public class RestClientRecorder {
 
     public static ResteasyProviderFactory providerFactory;
+    public static boolean SSL_ENABLED;
 
     public void setRestClientBuilderResolver() {
         RestClientBuilderResolver.setInstance(new BuilderResolver());
diff --git a/extensions/rest-client/runtime/src/main/java/io/quarkus/restclient/runtime/graal/ClientBuilderReplacement.java b/extensions/rest-client/runtime/src/main/java/io/quarkus/restclient/runtime/graal/ClientBuilderReplacement.java
index 90c05fad8..3a72ea720 100644
--- a/extensions/rest-client/runtime/src/main/java/io/quarkus/restclient/runtime/graal/ClientBuilderReplacement.java
+++ b/extensions/rest-client/runtime/src/main/java/io/quarkus/restclient/runtime/graal/ClientBuilderReplacement.java
@@ -2,6 +2,8 @@ package io.quarkus.restclient.runtime.graal;
 
 import javax.ws.rs.client.ClientBuilder;
 
+import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder;
+import org.jboss.resteasy.client.jaxrs.engines.URLConnectionClientEngineBuilder;
 import org.jboss.resteasy.client.jaxrs.internal.LocalResteasyProviderFactory;
 import org.jboss.resteasy.client.jaxrs.internal.ResteasyClientBuilderImpl;
 
@@ -15,7 +17,14 @@ final class ClientBuilderReplacement {
 
     @Substitute
     public static ClientBuilder newBuilder() {
-        return new ResteasyClientBuilderImpl()
-                .providerFactory(new LocalResteasyProviderFactory(RestClientRecorder.providerFactory));
+        ResteasyClientBuilder client = new ResteasyClientBuilderImpl();
+        client.providerFactory(new LocalResteasyProviderFactory(RestClientRecorder.providerFactory));
+        if (!RestClientRecorder.SSL_ENABLED) {
+            client.httpEngine(new URLConnectionClientEngineBuilder().resteasyClientBuilder(client).build());
+            client.sslContext(null);
+            client.trustStore(null);
+            client.keyStore(null, "");
+        }
+        return client;
     }
 }