diff --git a/extensions/spring-web/deployment/src/main/java/io/quarkus/spring/web/deployment/SpringWebProcessor.java b/extensions/spring-web/deployment/src/main/java/io/quarkus/spring/web/deployment/SpringWebProcessor.java
index b028b43d3d09f..676a699d93a2e 100644
--- a/extensions/spring-web/deployment/src/main/java/io/quarkus/spring/web/deployment/SpringWebProcessor.java
+++ b/extensions/spring-web/deployment/src/main/java/io/quarkus/spring/web/deployment/SpringWebProcessor.java
@@ -57,7 +57,7 @@
 import io.quarkus.resteasy.server.common.spi.AdditionalJaxRsResourceMethodAnnotationsBuildItem;
 import io.quarkus.resteasy.server.common.spi.AdditionalJaxRsResourceMethodParamAnnotations;
 import io.quarkus.spring.web.runtime.ResponseStatusExceptionMapper;
-import io.quarkus.undertow.deployment.BlacklistedServletContainerInitializerBuildItem;
+import io.quarkus.undertow.deployment.IgnoredServletContainerInitializerBuildItem;
 import io.quarkus.undertow.deployment.ServletInitParamBuildItem;
 
 public class SpringWebProcessor {
@@ -107,8 +107,8 @@ FeatureBuildItem registerFeature() {
     }
 
     @BuildStep
-    public BlacklistedServletContainerInitializerBuildItem blacklistSpringServlet() {
-        return new BlacklistedServletContainerInitializerBuildItem("org.springframework.web.SpringServletContainerInitializer");
+    public IgnoredServletContainerInitializerBuildItem ignoreSpringServlet() {
+        return new IgnoredServletContainerInitializerBuildItem("org.springframework.web.SpringServletContainerInitializer");
     }
 
     @BuildStep
diff --git a/extensions/undertow/deployment/src/main/java/io/quarkus/undertow/deployment/UndertowBuildStep.java b/extensions/undertow/deployment/src/main/java/io/quarkus/undertow/deployment/UndertowBuildStep.java
index ea6ad11c433e0..633596dc8b88a 100644
--- a/extensions/undertow/deployment/src/main/java/io/quarkus/undertow/deployment/UndertowBuildStep.java
+++ b/extensions/undertow/deployment/src/main/java/io/quarkus/undertow/deployment/UndertowBuildStep.java
@@ -246,27 +246,33 @@ public void registerUndertowHandlersConf(BuildProducer<ServletExtensionBuildItem
         }
     }
 
+    @BuildStep
+    List<IgnoredServletContainerInitializerBuildItem> translateDeprecated(
+            List<BlacklistedServletContainerInitializerBuildItem> old) {
+        return old.stream().map(BlacklistedServletContainerInitializerBuildItem::getSciClass)
+                .map(IgnoredServletContainerInitializerBuildItem::new).collect(Collectors.toList());
+    }
+
     /*
      * look for Servlet container initializers
      *
      */
     @BuildStep
     public List<ServletContainerInitializerBuildItem> servletContainerInitializer(
-            ApplicationArchivesBuildItem archives,
             CombinedIndexBuildItem combinedIndexBuildItem,
-            List<BlacklistedServletContainerInitializerBuildItem> blacklistedBuildItems,
+            List<IgnoredServletContainerInitializerBuildItem> ignoredScis,
             BuildProducer<AdditionalBeanBuildItem> beans) throws IOException {
 
-        Set<String> blacklistedClassNames = new HashSet<>();
-        for (BlacklistedServletContainerInitializerBuildItem bi : blacklistedBuildItems) {
-            blacklistedClassNames.add(bi.getSciClass());
+        Set<String> ignoredClassNames = new HashSet<>();
+        for (IgnoredServletContainerInitializerBuildItem bi : ignoredScis) {
+            ignoredClassNames.add(bi.getSciClass());
         }
         List<ServletContainerInitializerBuildItem> ret = new ArrayList<>();
         Set<String> initializers = ServiceUtil.classNamesNamedIn(Thread.currentThread().getContextClassLoader(),
                 SERVLET_CONTAINER_INITIALIZER);
 
         for (String initializer : initializers) {
-            if (blacklistedClassNames.contains(initializer)) {
+            if (ignoredClassNames.contains(initializer)) {
                 continue;
             }
             beans.produce(AdditionalBeanBuildItem.unremovableOf(initializer));
diff --git a/extensions/undertow/spi/src/main/java/io/quarkus/undertow/deployment/BlacklistedServletContainerInitializerBuildItem.java b/extensions/undertow/spi/src/main/java/io/quarkus/undertow/deployment/BlacklistedServletContainerInitializerBuildItem.java
index d29530823d085..19fc3fc54762b 100644
--- a/extensions/undertow/spi/src/main/java/io/quarkus/undertow/deployment/BlacklistedServletContainerInitializerBuildItem.java
+++ b/extensions/undertow/spi/src/main/java/io/quarkus/undertow/deployment/BlacklistedServletContainerInitializerBuildItem.java
@@ -2,6 +2,10 @@
 
 import io.quarkus.builder.item.MultiBuildItem;
 
+/**
+ * Use {@link IgnoredServletContainerInitializerBuildItem} instead
+ */
+@Deprecated
 public final class BlacklistedServletContainerInitializerBuildItem extends MultiBuildItem {
 
     final String sciClass;
diff --git a/extensions/undertow/spi/src/main/java/io/quarkus/undertow/deployment/IgnoredServletContainerInitializerBuildItem.java b/extensions/undertow/spi/src/main/java/io/quarkus/undertow/deployment/IgnoredServletContainerInitializerBuildItem.java
new file mode 100644
index 0000000000000..819d64e351212
--- /dev/null
+++ b/extensions/undertow/spi/src/main/java/io/quarkus/undertow/deployment/IgnoredServletContainerInitializerBuildItem.java
@@ -0,0 +1,16 @@
+package io.quarkus.undertow.deployment;
+
+import io.quarkus.builder.item.MultiBuildItem;
+
+public final class IgnoredServletContainerInitializerBuildItem extends MultiBuildItem {
+
+    final String sciClass;
+
+    public IgnoredServletContainerInitializerBuildItem(String sciClass) {
+        this.sciClass = sciClass;
+    }
+
+    public String getSciClass() {
+        return sciClass;
+    }
+}
diff --git a/independent-projects/resteasy-reactive/common/runtime/src/main/java/org/jboss/resteasy/reactive/common/util/MediaTypeHelper.java b/independent-projects/resteasy-reactive/common/runtime/src/main/java/org/jboss/resteasy/reactive/common/util/MediaTypeHelper.java
index b1021f2790b43..c0fa7fbf2093e 100644
--- a/independent-projects/resteasy-reactive/common/runtime/src/main/java/org/jboss/resteasy/reactive/common/util/MediaTypeHelper.java
+++ b/independent-projects/resteasy-reactive/common/runtime/src/main/java/org/jboss/resteasy/reactive/common/util/MediaTypeHelper.java
@@ -241,10 +241,6 @@ public static boolean isTextLike(MediaType mediaType) {
                         && mediaType.getSubtype().toLowerCase().startsWith("xml"));
     }
 
-    public static boolean isBlacklisted(MediaType mediaType) {
-        return "application".equals(mediaType.getType()) && "signed-exchange".equals(mediaType.getSubtype());
-    }
-
     public static boolean isUnsupportedWildcardSubtype(MediaType mediaType) {
         if (mediaType.isWildcardSubtype()) {
             return !mediaType.isWildcardType() && !"application".equals(mediaType.getType());