diff --git a/arraycontainer.go b/arraycontainer.go
index 92036992..03adaf27 100644
--- a/arraycontainer.go
+++ b/arraycontainer.go
@@ -355,7 +355,6 @@ func (ac *arrayContainer) ior(a container) container {
 		return ac.iorArray(x)
 	case *bitmapContainer:
 		return a.(*bitmapContainer).orArray(ac)
-		// return ac.iorBitmap(x) // note: this does not make sense
 	case *runContainer16:
 		if x.isFull() {
 			return x.clone()
diff --git a/bitmapcontainer.go b/bitmapcontainer.go
index d59578d6..edd168f7 100644
--- a/bitmapcontainer.go
+++ b/bitmapcontainer.go
@@ -238,11 +238,10 @@ func (bc *bitmapContainer) getManyIterator() manyIterable {
 }
 
 func (bc *bitmapContainer) getSizeInBytes() int {
-	return len(bc.bitmap) * 8 // + bcBaseBytes
+	return len(bc.bitmap) * 8
 }
 
 func (bc *bitmapContainer) serializedSizeInBytes() int {
-	// return bc.Msgsize()// NOO! This breaks GetSerializedSizeInBytes
 	return len(bc.bitmap) * 8
 }
 
@@ -820,7 +819,7 @@ func (bc *bitmapContainer) andBitmap(value2 *bitmapContainer) container {
 	}
 	ac := newArrayContainerSize(newcardinality)
 	fillArrayAND(ac.content, bc.bitmap, value2.bitmap)
-	ac.content = ac.content[:newcardinality] // not sure why i need this
+	ac.content = ac.content[:newcardinality]
 	return ac
 }
 
diff --git a/roaring64/roaring64.go b/roaring64/roaring64.go
index 9e7f6b7f..56b9e30e 100644
--- a/roaring64/roaring64.go
+++ b/roaring64/roaring64.go
@@ -176,14 +176,6 @@ func (rb *Bitmap) ReadFrom(stream io.Reader) (p int64, err error) {
 	return p, nil
 }
 
-// FromBuffer creates a bitmap from its serialized version stored in buffer
-// func (rb *Bitmap) FromBuffer(data []byte) (p int64, err error) {
-//
-//	// TODO: Add buffer interning as in base roaring package.
-//	buf := bytes.NewBuffer(data)
-//	return rb.ReadFrom(buf)
-// }
-
 // MarshalBinary implements the encoding.BinaryMarshaler interface for the bitmap
 // (same as ToBytes)
 func (rb *Bitmap) MarshalBinary() ([]byte, error) {
diff --git a/roaringarray.go b/roaringarray.go
index 52ccf483..376d89b8 100644
--- a/roaringarray.go
+++ b/roaringarray.go
@@ -31,7 +31,6 @@ type container interface {
 	iadd(x uint16) bool                   // inplace, returns true if x was new.
 	iaddReturnMinimized(uint16) container // may change return type to minimize storage.
 
-	// addRange(start, final int) container  // range is [firstOfRange,lastOfRange) (unused)
 	iaddRange(start, endx int) container // i stands for inplace, range is [firstOfRange,endx)
 
 	iremove(x uint16) bool                   // inplace, returns true if x was present.
@@ -62,7 +61,6 @@ type container interface {
 	lazyOR(r container) container
 	lazyIOR(r container) container
 	getSizeInBytes() int
-	// removeRange(start, final int) container  // range is [firstOfRange,lastOfRange) (unused)
 	iremoveRange(start, final int) container // i stands for inplace, range is [firstOfRange,lastOfRange)
 	selectInt(x uint16) int                  // selectInt returns the xth integer in the container
 	serializedSizeInBytes() int