diff --git a/.gitignore b/.gitignore
index 5df1b9b..39fe1c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
+# Sass cache and mapping are not needed in production.
 .sass-cache
+*.map
diff --git a/css/commerce_discount-rtl.css.map b/css/commerce_discount-rtl.css.map
deleted file mode 100644
index 0569565..0000000
--- a/css/commerce_discount-rtl.css.map
+++ /dev/null
@@ -1,7 +0,0 @@
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\ No newline at end of file
diff --git a/css/commerce_discount.css.map b/css/commerce_discount.css.map
deleted file mode 100644
index 8ff5941..0000000
--- a/css/commerce_discount.css.map
+++ /dev/null
@@ -1,7 +0,0 @@
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\ No newline at end of file