diff --git a/src/liblzma/simple/simple_coder.c b/src/liblzma/simple/simple_coder.c
index 37de7fa1..9e7bc289 100644
--- a/src/liblzma/simple/simple_coder.c
+++ b/src/liblzma/simple/simple_coder.c
@@ -35,9 +35,6 @@ copy_or_code(lzma_coder *coder, lzma_allocator *allocator,
 
 	} else {
 		// Call the next coder in the chain to provide us some data.
-		// We don't care about uncompressed_size here, because
-		// the next filter in the chain will do it for us (since
-		// we don't change the size of the data).
 		const lzma_ret ret = coder->next.code(
 				coder->next.coder, allocator,
 				in, in_pos, in_size,
diff --git a/src/liblzma/simple/simple_private.h b/src/liblzma/simple/simple_private.h
index a69f8278..fcf9f7c1 100644
--- a/src/liblzma/simple/simple_private.h
+++ b/src/liblzma/simple/simple_private.h
@@ -22,8 +22,7 @@ struct lzma_coder_s {
 	/// Next filter in the chain
 	lzma_next_coder next;
 
-	/// True if the next coder in the chain has returned LZMA_STREAM_END
-	/// or if we have processed uncompressed_size bytes.
+	/// True if the next coder in the chain has returned LZMA_STREAM_END.
 	bool end_was_reached;
 
 	/// True if filter() should encode the data; false to decode.