diff --git a/xmss.h b/xmss.h
index d6ca811..fab17c6 100644
--- a/xmss.h
+++ b/xmss.h
@@ -9,11 +9,6 @@ Public domain.
 
 #ifndef XMSS_H
 #define XMSS_H
-typedef struct{
-  unsigned int level;
-  unsigned long long subtree;
-  unsigned int subleaf;
-} leafaddr;
 
 /**
  * Generates a XMSS key pair for a given parameter set.
diff --git a/xmss_fast.h b/xmss_fast.h
index 2e473f8..575823d 100644
--- a/xmss_fast.h
+++ b/xmss_fast.h
@@ -9,11 +9,6 @@ Public domain.
 
 #ifndef XMSS_H
 #define XMSS_H
-typedef struct{
-  unsigned int level;
-  unsigned long long subtree;
-  unsigned int subleaf;
-} leafaddr;
 
 typedef struct{
   unsigned int h;