diff --git a/pgpainless-core/src/main/java/org/pgpainless/key/generation/KeyRingBuilderInterface.java b/pgpainless-core/src/main/java/org/pgpainless/key/generation/KeyRingBuilderInterface.java
index effdfcf1..8ddaff34 100644
--- a/pgpainless-core/src/main/java/org/pgpainless/key/generation/KeyRingBuilderInterface.java
+++ b/pgpainless-core/src/main/java/org/pgpainless/key/generation/KeyRingBuilderInterface.java
@@ -29,18 +29,6 @@ public interface KeyRingBuilderInterface {
 
     KeyRingBuilderInterface withSubKey(@Nonnull KeySpec keySpec);
 
-    /**
-     * Define the primary key spec.
-     *
-     * @deprecated use {@link #withPrimaryKey(KeySpec)} instead.
-     * @param keySpec key spec
-     * @return builder step
-     */
-    @Deprecated
-    default WithPrimaryUserId withMasterKey(@Nonnull KeySpec keySpec) {
-        return withPrimaryKey(keySpec);
-    }
-
     WithPrimaryUserId withPrimaryKey(@Nonnull KeySpec keySpec);
 
     interface WithPrimaryUserId {