diff --git a/README.md b/README.md
index 240aaca154..542e4e4ef2 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ $ opam install ancient
 $ export SHERLODOC_DB=/tmp/sherlodoc.ancient
 
 # index all odoc files generated by odig for your current switch:
-$ sherlodoc index $(find $OPAM_SWITCH_PREFIX/var/cache/odig/odoc -name '*.odocl')
+$ sherlodoc index $(find $OPAM_SWITCH_PREFIX/var/cache/odig/odoc -name '*.odocl' | grep -v __)
 ```
 
 Enjoy searching from the command-line or run the webserver:
@@ -70,7 +70,7 @@ Otherwise, manual integration with odoc requires to add to every call of `odoc h
 
 ```bash
 $ sherlodoc index --db=_build/default/_doc/_html/YOUR_LIB/db.js \
-    $(find _build/default/_doc/_odocls/YOUR_LIB -name '*.odocl')
+    $(find _build/default/_doc/_odocls/YOUR_LIB -name '*.odocl' | grep -v __)
 
 $ sherlodoc js > _build/default/_doc/_html/sherlodoc.js
 ```
diff --git a/test/cram/base_benchmark.t b/test/cram/base_benchmark.t
index 960ca5d776..efbc168d07 100644
--- a/test/cram/base_benchmark.t
+++ b/test/cram/base_benchmark.t
@@ -1,4 +1,4 @@
 This test will fail, it is not deterministic. Please just check that the values
 are not crazy and discard the changes
-  $ ODOCLS=$(find ../docs/odoc/base/ -name '*.odocl' | sort)
-  $ sherlodoc index --format=js --db=db.js $ODOCLS > /dev/null
+  $ ODOCLS=$(find ../docs/odoc/base/ -name '*.odocl' | grep -v "__")
+  $ sherlodoc index --format=js --db=db.js $ODOCLS
diff --git a/test/cram/base_cli.t b/test/cram/base_cli.t
index 2def58d996..f7cea65640 100644
--- a/test/cram/base_cli.t
+++ b/test/cram/base_cli.t
@@ -1,7 +1,7 @@
-  $ ODOCLS=$(find ../docs/odoc/base/ -name '*.odocl')
+  $ ODOCLS=$(find ../docs/odoc/base/ -name '*.odocl' | grep -v "__")
   $ export SHERLODOC_DB=db.bin
   $ export SHERLODOC_FORMAT=marshal
-  $ sherlodoc index --index-docstring=false $ODOCLS > /dev/null
+  $ sherlodoc index --index-docstring=false $ODOCLS
   $ sherlodoc search --print-cost --limit 100 "S_poly"
   200 sig Base.Map.S_poly
   200 sig Base.Set.S_poly
diff --git a/test/cram/base_odocls.t b/test/cram/base_odocls.t
index 6214582519..42197104fd 100644
--- a/test/cram/base_odocls.t
+++ b/test/cram/base_odocls.t
@@ -1,3 +1,11 @@
+  $ find ../docs/odoc/base/ -name '*.odocl' -exec basename '{}' ';' | grep -v "__" | sort
+  base.odocl
+  base_internalhash_types.odocl
+  caml.odocl
+  md5_lib.odocl
+  page-index.odocl
+  shadow_stdlib.odocl
+
   $ find ../docs/odoc/base/ -name '*.odocl' -exec basename '{}' ';' | sort
   base.odocl
   base__.odocl
diff --git a/test/cram/base_web.t b/test/cram/base_web.t
index 448ddd4c33..c6ea9ddf56 100644
--- a/test/cram/base_web.t
+++ b/test/cram/base_web.t
@@ -1,8 +1,8 @@
-  $ ODOCLS=$(find ../docs/odoc/base/ -name '*.odocl' | sort)
+  $ ODOCLS=$(find ../docs/odoc/base/ -name '*.odocl' | grep -v "__" | sort)
   $ cat $ODOCLS > megaodocl
 $ du -sh megaodocl
 13M	megaodocl
-  $ sherlodoc index --index-docstring=true --index-name=true --type-search=true --format=js --db=db.js $ODOCLS > /dev/null
+  $ sherlodoc index --index-docstring=true --index-name=true --type-search=true --format=js --db=db.js $ODOCLS
 
   $ gzip -k db.js
 
diff --git a/test/cram/multi_package.t b/test/cram/multi_package.t
index f8f5d5f7c4..e0dd47ce3b 100644
--- a/test/cram/multi_package.t
+++ b/test/cram/multi_package.t
@@ -1,9 +1,9 @@
-  $ ODOCLS=$(find ../docs/odoc/ -name '*.odocl' | sort)
+  $ ODOCLS=$(find ../docs/odoc/ -name '*.odocl'  | grep -v "__" | sort)
   $ echo "$ODOCLS" | awk 'END { print NR }'
-  142
+  6
   $ export SHERLODOC_DB=db.bin
   $ export SHERLODOC_FORMAT=marshal
-  $ sherlodoc index --index-docstring=false $ODOCLS > /dev/null
+  $ sherlodoc index --index-docstring=false $ODOCLS
   $ sherlodoc search --print-cost --limit 100 "S_poly"
   200 sig Base.Map.S_poly
   200 sig Base.Set.S_poly