diff --git a/src/c-api.vapi b/src/c-api.vapi
index a1294d5..001ea6c 100644
--- a/src/c-api.vapi
+++ b/src/c-api.vapi
@@ -41,13 +41,6 @@ namespace Matrix {
         public static GLib.Quark quark ();
     }
 
-    [CCode (cheader_filename = "matrix-enumtypes.h", cprefix = "MATRIX_RESIZE_METHOD_")]
-    public enum ResizeMethod {
-        DEFAULT,
-        CROP,
-        SCALE;
-    }
-
     [CCode (cheader_filename = "matrix-enumtypes.h", cprefix = "MATRIX_PRESENCE_")]
     public enum Presence {
         UNKNOWN,
diff --git a/src/matrix-enums.vala b/src/matrix-enums.vala
index 8638696..1aac46d 100644
--- a/src/matrix-enums.vala
+++ b/src/matrix-enums.vala
@@ -26,6 +26,15 @@ namespace Matrix {
         FEDERATION; /// return the raw event as receieved over federation
     }
 
+    /**
+     * Resizing methods for matrix_api_media_thumbnail().
+     */
+    public enum ResizeMethod {
+        DEFAULT, /// use the server default value
+        CROP,    /// crop thumbnail to the requested size
+        SCALE;   /// scale thumbnail to the requested size
+    }
+
     public string?
     _g_enum_value_to_nick(Type enum_type,
                           int value,
diff --git a/src/matrix-types.c b/src/matrix-types.c
index 2892601..5b221df 100644
--- a/src/matrix-types.c
+++ b/src/matrix-types.c
@@ -136,15 +136,6 @@ G_DEFINE_QUARK(matrix-error-quark, matrix_error);
  * rules.
  */
 
-/**
- * MatrixResizeMethod:
- * @MATRIX_RESIZE_METHOD_DEFAULT: use the server default value
- * @MATRIX_RESIZE_METHOD_CROP: crop thumbnail to the requested size
- * @MATRIX_RESIZE_METHOD_SCALE: scale thumbnail to the requested size
- *
- * Resizing methods for matrix_api_media_thumbnail().
- */
-
 /**
  * MatrixPresence:
  * @MATRIX_PRESENCE_UNKNOWN: user's presence is unknown
diff --git a/src/matrix-types.h b/src/matrix-types.h
index d674c46..2470bf2 100644
--- a/src/matrix-types.h
+++ b/src/matrix-types.h
@@ -72,12 +72,6 @@ typedef enum {
 #define MATRIX_ERROR matrix_error_quark()
 GQuark matrix_error_quark(void);
 
-typedef enum {
-    MATRIX_RESIZE_METHOD_DEFAULT,
-    MATRIX_RESIZE_METHOD_CROP,
-    MATRIX_RESIZE_METHOD_SCALE
-} MatrixResizeMethod;
-
 typedef enum {
     MATRIX_PRESENCE_UNKNOWN,
     MATRIX_PRESENCE_ONLINE,