diff --git a/files/functions_CLASSIFY.csv b/files/functions_CLASSIFY.csv
deleted file mode 100644
index 33f6af0..0000000
--- a/files/functions_CLASSIFY.csv
+++ /dev/null
@@ -1,5 +0,0 @@
-operator, arity
-+,2
--,2
-*,2
-/,2
diff --git a/files/functions_MATCH.csv b/files/functions_MATCH.csv
deleted file mode 100644
index 33f6af0..0000000
--- a/files/functions_MATCH.csv
+++ /dev/null
@@ -1,5 +0,0 @@
-operator, arity
-+,2
--,2
-*,2
-/,2
diff --git a/files/functions_PLAY.csv b/files/functions_PLAY.csv
deleted file mode 100644
index 33f6af0..0000000
--- a/files/functions_PLAY.csv
+++ /dev/null
@@ -1,5 +0,0 @@
-operator, arity
-+,2
--,2
-*,2
-/,2
diff --git a/files/functions_REGRESS.csv b/files/functions_REGRESS.csv
deleted file mode 100644
index 33f6af0..0000000
--- a/files/functions_REGRESS.csv
+++ /dev/null
@@ -1,5 +0,0 @@
-operator, arity
-+,2
--,2
-*,2
-/,2