diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h
index 9a6717d..fc42838 100644
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -141,15 +141,6 @@
     MBEDTLS_ECP_TYPE_MONTGOMERY,           /* y^2 = x^3 + a x^2 + x    */
 } mbedtls_ecp_curve_type;
 
-/*
- * Curve modulus types
- */
-typedef enum {
-    MBEDTLS_ECP_MOD_NONE = 0,
-    MBEDTLS_ECP_MOD_COORDINATE,
-    MBEDTLS_ECP_MOD_SCALAR
-} mbedtls_ecp_modulus_type;
-
 /**
  * Curve information, for use by other modules.
  *
diff --git a/library/ecp_invasive.h b/library/ecp_invasive.h
index 587b173..fdd29f1 100644
--- a/library/ecp_invasive.h
+++ b/library/ecp_invasive.h
@@ -31,6 +31,15 @@
 #include "bignum_mod.h"
 #include "mbedtls/ecp.h"
 
+/*
+ * Curve modulus types
+ */
+typedef enum {
+    MBEDTLS_ECP_MOD_NONE = 0,
+    MBEDTLS_ECP_MOD_COORDINATE,
+    MBEDTLS_ECP_MOD_SCALAR
+} mbedtls_ecp_modulus_type;
+
 #if defined(MBEDTLS_TEST_HOOKS) && defined(MBEDTLS_ECP_LIGHT)
 
 #if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)