diff --git a/svg.h b/svg.h
index ecbb402..ed8cc87 100644
--- a/svg.h
+++ b/svg.h
@@ -1,16 +1,4 @@
 #pragma once
+#include <vector>
 
-void
-svg_text(double left, double baseline, std::string text);
-
-void
-svg_begin(double width, double height);
-
-void
-svg_end();
-
-void
-show_histogram_svg(const std::vector<size_t>& bins);
-
-
-
+void show_histogram_svg(const std::vector<double>& bins);