diff --git a/api-ref/source/conf.py b/api-ref/source/conf.py
index e8a3f8f..6399d98 100644
--- a/api-ref/source/conf.py
+++ b/api-ref/source/conf.py
@@ -94,6 +94,9 @@ html_title = "Map Reduce Service - API Reference"
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
 
+# Do not include sources into the rendered results
+html_copy_source = False
+
 # -- Options for PDF output --------------------------------------------------
 latex_documents = [
     ('index',
diff --git a/doc/component-operation-guide/source/conf.py b/doc/component-operation-guide/source/conf.py
index 76bb3b0..74038a7 100644
--- a/doc/component-operation-guide/source/conf.py
+++ b/doc/component-operation-guide/source/conf.py
@@ -94,6 +94,9 @@ html_title = "Map Reduce Service - Component Operation Guide"
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
 
+# Do not include sources into the rendered results
+html_copy_source = False
+
 # -- Options for PDF output --------------------------------------------------
 latex_documents = [
     ('index',
diff --git a/tox.ini b/tox.ini
index a4621cb..793e2b4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,8 +21,14 @@ deps =
   -r{toxinidir}/requirements.txt
 commands = {posargs}
 
+# This env is invoked in the periodic pipeline and is therefore responsible to
+# build all relevant docs at once.
 [testenv:docs]
 deps = -r{toxinidir}/doc/requirements.txt
+allowlist_externals =
+  mkdir
+  cp
+  sh
 commands =
   {[testenv:api-ref]commands}
   {[testenv:json-api-ref]commands}
@@ -34,7 +40,11 @@ commands =
 [testenv:docs-pdf]
 deps = -r{toxinidir}/doc/requirements.txt
 allowlist_externals =
+  rm
   mkdir
+  make
+  bash
+  cp
 commands =
   mkdir -p doc/build/pdf
   {[testenv:api-ref-pdf-docs]commands}
@@ -59,11 +69,12 @@ deps = -r{toxinidir}/doc/requirements.txt
 allowlist_externals =
   cp
   mkdir
-  find
+  sh
 commands =
   sphinx-build -W --keep-going -b json api-ref/source doc/build/json/api-ref
-  # Drop data useless for the search
-  find doc/build/json -type d -and ( -name '_images' -or -name '_static' -or -name '_sources' ) -exec rm {:} ;
+  # Drop data useless for the search - wrap it also with sh/xargs due to bugs
+  # in tox
+  sh -c "find doc/build/json -type d -and '(' -name '_images' -or -name '_static' -or -name '_sources' ')' -print0 | xargs -0 rm -rf"
   mkdir -p api-ref/build/json
   cp -av doc/build/json/api-ref api-ref/build/json
 
@@ -101,11 +112,12 @@ deps = -r{toxinidir}/doc/requirements.txt
 allowlist_externals =
   cp
   mkdir
-  find
+  sh
 commands =
   sphinx-build -W --keep-going -b json doc/component-operation-guide/source doc/build/json/operation-guide
-  # Drop data useless for the search
-  find doc/build/json -type d -and ( -name '_images' -or -name '_static' -or -name '_sources' ) -exec rm {:} ;
+  # Drop data useless for the search - wrap it also with sh/xargs due to bugs
+  # in tox
+  sh -c "find doc/build/json -type d -and '(' -name '_images' -or -name '_static' -or -name '_sources' ')' -print0 | xargs -0 rm -rf"
 
 # PDF version
 [testenv:operation-guide-pdf-docs]
@@ -143,11 +155,12 @@ deps = -r{toxinidir}/doc/requirements.txt
 allowlist_externals =
   cp
   mkdir
-  find
+  sh
 commands =
   sphinx-build -W --keep-going -b json umn/source doc/build/json/umn
-  # Drop data useless for the search
-  find doc/build/json -type d -and ( -name '_images' -or -name '_static' -or -name '_sources' ) -exec rm {:} ;
+  # Drop data useless for the search - wrap it also with sh/xargs due to bugs
+  # in tox
+  sh -c "find doc/build/json -type d -and '(' -name '_images' -or -name '_static' -or -name '_sources' ')' -print0 | xargs -0 rm -rf"
   mkdir -p umn/build/json
   cp -av doc/build/json/umn umn/build/json
 
diff --git a/umn/source/conf.py b/umn/source/conf.py
index ff31ca7..a63d601 100644
--- a/umn/source/conf.py
+++ b/umn/source/conf.py
@@ -94,6 +94,9 @@ html_title = "Map Reduce Service - User Guide"
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
 
+# Do not include sources into the rendered results
+html_copy_source = False
+
 # -- Options for PDF output --------------------------------------------------
 latex_documents = [
     ('index',