diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..8d40edc
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,12 @@
+all: tests bench
+
+test:
+	dune test
+
+bench:
+	dune build ./bench.exe
+
+clean:
+	dune clean
+
+.PHONY: all clean bench test
diff --git a/src/dune-project b/dune-project
similarity index 100%
rename from src/dune-project
rename to dune-project
diff --git a/src/Makefile b/src/Makefile
deleted file mode 100644
index 1c48a5c..0000000
--- a/src/Makefile
+++ /dev/null
@@ -1,14 +0,0 @@
-all: tests bench
-
-tests:
-	dune build ./tests/ocamlrandom.exe
-	dune build ./tests/xoshiro.exe
-	dune build ./tests/splitmix.exe
-
-bench:
-	dune build ./bench.exe
-
-clean:
-	dune clean
-
-.PHONY: all clean bench tests
diff --git a/src/tests/dune b/src/tests/dune
deleted file mode 100644
index 5189e02..0000000
--- a/src/tests/dune
+++ /dev/null
@@ -1,13 +0,0 @@
-(executable
- (name xoshiro)
- (modules xoshiro)
- (libraries xoshiro))
-
-(executable
- (name ocamlrandom)
- (modules ocamlrandom))
-
-(executable
- (name splitmix)
- (modules splitmix)
- (libraries splitmix))
diff --git a/src/tests/ocamlrandom.ml b/src/tests/ocamlrandom.ml
deleted file mode 100644
index 00344a3..0000000
--- a/src/tests/ocamlrandom.ml
+++ /dev/null
@@ -1,10 +0,0 @@
-let () =
-  let n =
-    if Array.length Sys.argv = 2
-    then int_of_string Sys.argv.(1)
-    else 10
-  in
-
-  for _ = 1 to n do
-    Format.printf "%08x\n" (Random.bits ())
-  done
diff --git a/src/tests/splitmix.ml b/src/tests/splitmix.ml
deleted file mode 100644
index eb3e35a..0000000
--- a/src/tests/splitmix.ml
+++ /dev/null
@@ -1,13 +0,0 @@
-open Splitmix
-
-let () =
-  let n =
-    if Array.length Sys.argv = 2
-    then int_of_string Sys.argv.(1)
-    else 10
-  in
-
-  let state = ref 0xdead42beef37ca7aL in
-  for _ = 1 to n do
-    Format.printf "%016Lx@." (Sm64.next state)
-  done
diff --git a/src/tests/xoshiro.ml b/src/tests/xoshiro.ml
deleted file mode 100644
index e615baa..0000000
--- a/src/tests/xoshiro.ml
+++ /dev/null
@@ -1,15 +0,0 @@
-open Xoshiro
-
-let () =
-  let n =
-    if Array.length Sys.argv = 2
-    then int_of_string Sys.argv.(1)
-    else 10
-  in
-
-  for _ = 1 to n do
-    let hi, lo = X256pp.Int.next () in
-    Format.printf "%08x%08x " hi lo;
-    Format.printf "%016Lx " (X256pp.Int64.next ());
-    Format.printf "%08x@." (X256pp.C.bits ())
-  done