diff --git a/flate/writer_test.go b/flate/writer_test.go
index 0a011a9220..766ab6b900 100644
--- a/flate/writer_test.go
+++ b/flate/writer_test.go
@@ -30,7 +30,7 @@ func TestWriterMemUsage(t *testing.T) {
 		t.Logf("%s: Memory Used: %dKB, %d allocs", t.Name(), (after.HeapInuse-before.HeapInuse)/1024, after.HeapObjects-before.HeapObjects)
 	}
 	data := make([]byte, 100000)
-	t.Run(fmt.Sprint("stateless"), func(t *testing.T) {
+	t.Run("stateless", func(t *testing.T) {
 		testMem(t, func() {
 			StatelessDeflate(io.Discard, data, false, nil)
 		})
diff --git a/s2/index_test.go b/s2/index_test.go
index 9d53f53ba5..e644fcdf83 100644
--- a/s2/index_test.go
+++ b/s2/index_test.go
@@ -235,7 +235,7 @@ func TestSeeking(t *testing.T) {
 		})
 	}
 	// Test seek current
-	t.Run(fmt.Sprintf("seekCurrent"), func(t *testing.T) {
+	t.Run("seekCurrent", func(t *testing.T) {
 		dec := s2.NewReader(io.ReadSeeker(bytes.NewReader(compressed.Bytes())))
 
 		seeker, err := dec.ReadSeeker(true, index)
@@ -269,7 +269,7 @@ func TestSeeking(t *testing.T) {
 		}
 	})
 	// Test ReadAt
-	t.Run(fmt.Sprintf("ReadAt"), func(t *testing.T) {
+	t.Run("ReadAt", func(t *testing.T) {
 		dec := s2.NewReader(io.ReadSeeker(bytes.NewReader(compressed.Bytes())))
 
 		seeker, err := dec.ReadSeeker(true, index)
diff --git a/s2/writer_test.go b/s2/writer_test.go
index e54077e782..92f5066f89 100644
--- a/s2/writer_test.go
+++ b/s2/writer_test.go
@@ -367,7 +367,7 @@ func TestIndex(t *testing.T) {
 					}
 				})
 			}
-			t.Run(fmt.Sprintf("ReadAt"), func(t *testing.T) {
+			t.Run("ReadAt", func(t *testing.T) {
 				// Read it from a seekable stream
 				dec = NewReader(bytes.NewReader(compressed))