diff --git a/exercises/concept/lucians-luscious-lasagna/src/LuciansLusciousLasagna.hs b/exercises/concept/lucians-luscious-lasagna/src/LuciansLusciousLasagna.hs
index a6646eacd..56df43c32 100644
--- a/exercises/concept/lucians-luscious-lasagna/src/LuciansLusciousLasagna.hs
+++ b/exercises/concept/lucians-luscious-lasagna/src/LuciansLusciousLasagna.hs
@@ -1,7 +1,13 @@
 module LuciansLusciousLasagna (elapsedTimeInMinutes, expectedMinutesInOven, preparationTimeInMinutes) where
 
 -- TODO: define the expectedMinutesInOven constant
+expectedMinutesInOven :: Int
+expectedMinutesInOven = undefined
 
 -- TODO: define the preparationTimeInMinutes function
+preparationTimeInMinutes :: Int -> Int
+preparationTimeInMinutes = undefined
 
 -- TODO: define the elapsedTimeInMinutes function
+elapsedTimeInMinutes :: Int -> Int -> Int
+elapsedTimeInMinutes = undefined
diff --git a/exercises/practice/leap/.meta/examples/error-nosig/package.yaml b/exercises/practice/leap/.meta/examples/error-nosig/package.yaml
deleted file mode 100644
index 2c476e41c..000000000
--- a/exercises/practice/leap/.meta/examples/error-nosig/package.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
-name: leap
-
-dependencies:
-  - base
-
-library:
-  exposed-modules: LeapYear
-  source-dirs: src
-
-tests:
-  test:
-    main: Tests.hs
-    source-dirs: test
-    dependencies:
-      - leap
-      - hspec
diff --git a/exercises/practice/leap/.meta/examples/error-nosig/src/LeapYear.hs b/exercises/practice/leap/.meta/examples/error-nosig/src/LeapYear.hs
deleted file mode 100644
index b68e3448a..000000000
--- a/exercises/practice/leap/.meta/examples/error-nosig/src/LeapYear.hs
+++ /dev/null
@@ -1,4 +0,0 @@
-module LeapYear (isLeapYear) where
-
-isLeapYear year = hasFactor 4 && (not (hasFactor 100) || hasFactor 400)
-  where hasFactor n = year `rem` n == 0