diff --git a/config.json b/config.json
index dc9c9e54..b781abbe 100644
--- a/config.json
+++ b/config.json
@@ -389,6 +389,7 @@
"practices": [],
"prerequisites": [],
"difficulty": 1,
+ "status": "deprecated",
"topics": [
"extension_methods",
"sequences",
@@ -450,6 +451,7 @@
"practices": [],
"prerequisites": [],
"difficulty": 1,
+ "status": "deprecated",
"topics": [
"algorithms",
"text_formatting"
@@ -462,6 +464,7 @@
"practices": [],
"prerequisites": [],
"difficulty": 1,
+ "status": "deprecated",
"topics": [
"math"
]
@@ -717,6 +720,7 @@
"practices": [],
"prerequisites": [],
"difficulty": 1,
+ "status": "deprecated",
"topics": [
"math"
]
diff --git a/contribution/checkDeprecatedExercises.php b/contribution/checkDeprecatedExercises.php
new file mode 100755
index 00000000..3b11c099
--- /dev/null
+++ b/contribution/checkDeprecatedExercises.php
@@ -0,0 +1,141 @@
+#!/usr/bin/env php
+*/*Test\.php
*/.meta/*\.php
src/*
+ contribution/*.php