diff --git a/cmd/bbolt/main_test.go b/cmd/bbolt/main_test.go
index dddacd8..dbc7de7 100644
--- a/cmd/bbolt/main_test.go
+++ b/cmd/bbolt/main_test.go
@@ -461,7 +461,6 @@ func TestCompactCommand_Run(t *testing.T) {
 	if err := binary.Read(crypto.Reader, binary.BigEndian, &s); err != nil {
 		t.Fatal(err)
 	}
-	rand.Seed(s)
 
 	dstdb := btesting.MustCreateDB(t)
 	dstdb.Close()
diff --git a/freelist_test.go b/freelist_test.go
index 0989dad..7297055 100644
--- a/freelist_test.go
+++ b/freelist_test.go
@@ -322,7 +322,6 @@ func benchmark_FreelistRelease(b *testing.B, size int) {
 }
 
 func randomPgids(n int) []common.Pgid {
-	rand.Seed(42)
 	pgids := make(common.Pgids, n)
 	for i := range pgids {
 		pgids[i] = common.Pgid(rand.Int63())
diff --git a/simulation_test.go b/simulation_test.go
index 037b718..6f4d5b2 100644
--- a/simulation_test.go
+++ b/simulation_test.go
@@ -35,8 +35,6 @@ func testSimulate(t *testing.T, openOption *bolt.Options, round, threadCount, pa
 		t.Skip("skipping test in short mode.")
 	}
 
-	rand.Seed(int64(qseed))
-
 	// A list of operations that readers and writers can perform.
 	var readerHandlers = []simulateHandler{simulateGetHandler}
 	var writerHandlers = []simulateHandler{simulateGetHandler, simulatePutHandler}