diff --git a/core/src/main/java/com/google/googlejavaformat/java/JavaInputAstVisitor.java b/core/src/main/java/com/google/googlejavaformat/java/JavaInputAstVisitor.java
index 66cb9d31b..7a0dde3cd 100644
--- a/core/src/main/java/com/google/googlejavaformat/java/JavaInputAstVisitor.java
+++ b/core/src/main/java/com/google/googlejavaformat/java/JavaInputAstVisitor.java
@@ -301,7 +301,6 @@ private static ImmutableSetMultimap<String, String> typeAnnotations() {
         ImmutableList.of(
             "org.jspecify.annotations.NonNull",
             "org.jspecify.annotations.Nullable",
-            "org.jspecify.annotations.Nullable",
             "org.checkerframework.checker.nullness.qual.NonNull",
             "org.checkerframework.checker.nullness.qual.Nullable")) {
       String simpleName = annotation.substring(annotation.lastIndexOf('.') + 1);