diff --git a/decor/percentage.go b/decor/percentage.go
index 1d3b3a9..e1d45c9 100644
--- a/decor/percentage.go
+++ b/decor/percentage.go
@@ -23,8 +23,7 @@
 		}
 	}
 
-	p := bytesPool.Get().(*[]byte)
-	b := strconv.AppendFloat(*p, float64(s), 'f', prec, 64)
+	b := strconv.AppendFloat(make([]byte, 0, 32), float64(s), 'f', prec, 64)
 	if st.Flag(' ') {
 		b = append(b, ' ', '%')
 	} else {
@@ -34,7 +33,6 @@
 	if err != nil {
 		panic(err)
 	}
-	bytesPool.Put(p)
 }
 
 // Percentage returns percentage decorator. It's a wrapper of NewPercentage.
diff --git a/decor/pool.go b/decor/pool.go
deleted file mode 100644
index cefa9bf..0000000
--- a/decor/pool.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package decor
-
-import "sync"
-
-var bytesPool = sync.Pool{
-	New: func() interface{} {
-		b := make([]byte, 0, 32)
-		return &b
-	},
-}
diff --git a/decor/size_type.go b/decor/size_type.go
index 4df2709..5b64ef9 100644
--- a/decor/size_type.go
+++ b/decor/size_type.go
@@ -49,8 +49,7 @@
 		unit = _iTiB
 	}
 
-	p := bytesPool.Get().(*[]byte)
-	b := strconv.AppendFloat(*p, float64(self)/float64(unit), 'f', prec, 64)
+	b := strconv.AppendFloat(make([]byte, 0, 32), float64(self)/float64(unit), 'f', prec, 64)
 	if st.Flag(' ') {
 		b = append(b, ' ')
 	}
@@ -59,7 +58,6 @@
 	if err != nil {
 		panic(err)
 	}
-	bytesPool.Put(p)
 }
 
 const (
@@ -103,8 +101,7 @@
 		unit = _TB
 	}
 
-	p := bytesPool.Get().(*[]byte)
-	b := strconv.AppendFloat(*p, float64(self)/float64(unit), 'f', prec, 64)
+	b := strconv.AppendFloat(make([]byte, 0, 32), float64(self)/float64(unit), 'f', prec, 64)
 	if st.Flag(' ') {
 		b = append(b, ' ')
 	}
@@ -113,5 +110,4 @@
 	if err != nil {
 		panic(err)
 	}
-	bytesPool.Put(p)
 }