Remove unused exception from private method signature.
diff --git a/src/main/java/org/apache/commons/io/input/ReversedLinesFileReader.java b/src/main/java/org/apache/commons/io/input/ReversedLinesFileReader.java
index c4ff400..5d45b6f 100644
--- a/src/main/java/org/apache/commons/io/input/ReversedLinesFileReader.java
+++ b/src/main/java/org/apache/commons/io/input/ReversedLinesFileReader.java
@@ -122,9 +122,8 @@ private int getNewLineMatchByteCount(final byte[] data, final int i) {
          * Reads a line.
          *
          * @return the line or null
-         * @throws IOException if there is an error reading from the file
          */
-        private String readLine() throws IOException {
+        private String readLine() {
 
             String line = null;
             int newLineMatchByteCount;