diff --git a/libee/Makefile.am b/libee/Makefile.am
index 459757f..47d979f 100644
--- a/libee/Makefile.am
+++ b/libee/Makefile.am
@@ -9,7 +9,7 @@ libee_a_SOURCES = \
 	io.c \
 	math.c \
 	line.c \
-	circle.c \
+	conic.c \
 	triangle.c \
 	sprite.c \
 	$(NULL)
diff --git a/libee/circle.c b/libee/conic.c
similarity index 100%
rename from libee/circle.c
rename to libee/conic.c
diff --git a/libee/line.c b/libee/line.c
index d36b744..c636068 100644
--- a/libee/line.c
+++ b/libee/line.c
@@ -82,6 +82,10 @@ void ee_draw_thin_line(int x1, int y1, int x2, int y2)
     clip_line(&s);
 }
 
+/*
+ * XXX: The following functions are local.
+ */
+
 /**
  * \brief Generic Cohen-Sutherland line clipping function.
  *