diff --git a/.ameba.yml b/.ameba.yml
index e61b3b3..163c936 100644
--- a/.ameba.yml
+++ b/.ameba.yml
@@ -7,3 +7,8 @@ Lint/UnusedArgument:
     - src/routes/*
 Metrics/CyclomaticComplexity:
   Enabled: false
+Layout/LineLength:
+  Enabled: true
+  MaxLength: 80
+  Excluded:
+    - src/routes/api.cr
diff --git a/Makefile b/Makefile
index d9485c5..6c5eebf 100644
--- a/Makefile
+++ b/Makefile
@@ -29,7 +29,6 @@ test:
 check:
 	crystal tool format --check
 	./bin/ameba
-	./dev/linewidth.sh
 
 arm32v7:
 	crystal build src/mango.cr --release --progress --error-trace --cross-compile --target='arm-linux-gnueabihf' -o mango-arm32v7
diff --git a/dev/linewidth.sh b/dev/linewidth.sh
deleted file mode 100755
index 6e83fbc..0000000
--- a/dev/linewidth.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/sh
-
-[ ! -z "$(grep '.\{80\}' --exclude-dir=lib --include="*.cr" -nr --color=always . | grep -v "routes/api.cr" | tee /dev/tty)" ] \
-	&& echo "The above lines exceed the 80 characters limit" \
-	|| exit 0