diff --git a/scripts/rm-calloc-cast.cocci b/scripts/rm-calloc-cast.cocci
new file mode 100644
index 0000000..89481c0
--- /dev/null
+++ b/scripts/rm-calloc-cast.cocci
@@ -0,0 +1,7 @@
+@rm_calloc_cast@
+expression x, n, m;
+type T;
+@@
+  x =
+- (T *)
+  mbedtls_calloc(n, m)