diff --git a/src/impl/num.h b/src/impl/num.h
index 58513a45a7c..f27f0d1f10d 100644
--- a/src/impl/num.h
+++ b/src/impl/num.h
@@ -3,9 +3,7 @@
 
 #include "../num.h"
 
-#if defined(USE_NUM_GMPN)
-#include "num_gmpn.h"
-#elif defined(USE_NUM_GMP)
+#if defined(USE_NUM_GMP)
 #include "num_gmp.h"
 #elif defined(USE_NUM_OPENSSL)
 #include "num_openssl.h"
diff --git a/src/num.h b/src/num.h
index 1604bf167ae..fa90a7b4299 100644
--- a/src/num.h
+++ b/src/num.h
@@ -1,9 +1,7 @@
 #ifndef _SECP256K1_NUM_
 #define _SECP256K1_NUM_
 
-#if defined(USE_NUM_GMPN)
-#include "num_gmpn.h"
-#elif defined(USE_NUM_GMP)
+#if defined(USE_NUM_GMP)
 #include "num_gmp.h"
 #elif defined(USE_NUM_OPENSSL)
 #include "num_openssl.h"