diff --git a/source/tutorials/index.rst b/source/tutorials/index.rst
index d096096d..a220b93b 100644
--- a/source/tutorials/index.rst
+++ b/source/tutorials/index.rst
@@ -36,4 +36,3 @@ Contents:
    SRTM Digital Elevation Model<srtm>
    StaMPS Permanent Scatterer<stamps-ps>
    STEMP - Surface Temperature Map<stemp>
-   .. TIO - Optical time serie analysis<tio>