diff --git a/types/ramda/es/isNaN.d.ts b/types/ramda/es/isNaN.d.ts
deleted file mode 100644
index 5dbe28177a..0000000000
--- a/types/ramda/es/isNaN.d.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-import { isNaN } from '../index';
-export default isNaN;
diff --git a/types/ramda/index.d.ts b/types/ramda/index.d.ts
index 6da39358a1..9b9e6bd5c1 100644
--- a/types/ramda/index.d.ts
+++ b/types/ramda/index.d.ts
@@ -1,6 +1,7 @@
 // Type definitions for ramda 0.26
 // Project: https://github.com/donnut/typescript-ramda, https://ramdajs.com
-// Definitions by: Erwin Poeze <https://github.com/donnut>
+// Definitions by: Scott O'Malley <https://github.com/TheHandsomeCoder>
+//                 Erwin Poeze <https://github.com/donnut>
 //                 Matt DeKrey <https://github.com/mdekrey>
 //                 Matt Dziuban <https://github.com/mrdziuban>
 //                 Stephen King <https://github.com/sbking>
@@ -131,7 +132,6 @@
 /// <reference path="./es/isArrayLike.d.ts" />
 /// <reference path="./es/is.d.ts" />
 /// <reference path="./es/isEmpty.d.ts" />
-/// <reference path="./es/isNaN.d.ts" />
 /// <reference path="./es/isNil.d.ts" />
 /// <reference path="./es/join.d.ts" />
 /// <reference path="./es/juxt.d.ts" />
@@ -387,7 +387,6 @@
 /// <reference path="./src/isArrayLike.d.ts" />
 /// <reference path="./src/is.d.ts" />
 /// <reference path="./src/isEmpty.d.ts" />
-/// <reference path="./src/isNaN.d.ts" />
 /// <reference path="./src/isNil.d.ts" />
 /// <reference path="./src/join.d.ts" />
 /// <reference path="./src/juxt.d.ts" />
@@ -1640,11 +1639,6 @@ declare namespace R {
          */
         isEmpty(value: any): boolean;
 
-        /**
-         * Returns true if the input value is NaN.
-         */
-        isNaN(x: any): boolean;
-
         /**
          * Checks if the input value is null or undefined.
          */
diff --git a/types/ramda/ramda-tests.ts b/types/ramda/ramda-tests.ts
index 9d81e42d9b..c8c35cc171 100644
--- a/types/ramda/ramda-tests.ts
+++ b/types/ramda/ramda-tests.ts
@@ -477,6 +477,29 @@ interface Obj {
     R.over(headLens, R.toUpper, ["a", "b", "c"]); // => ['A', 'b', 'c']
 };
 
+() => {
+    const sampleList = ['a', 'b', 'c', 'd', 'e', 'f'];
+
+    R.move<string>(0, 2, sampleList); // => ['b', 'c', 'a', 'd', 'e', 'f']
+    R.move<string>(-1, 0, sampleList); // => ['f', 'a', 'b', 'c', 'd', 'e'] list rotation
+
+    const moveCurried1 = R.move(0, 2);
+    moveCurried1<string>(sampleList); // => ['b', 'c', 'a', 'd', 'e', 'f']
+
+    const moveCurried2 = R.move(0);
+    moveCurried2<string>(2, sampleList); // => ['b', 'c', 'a', 'd', 'e', 'f']
+
+    const moveCurried3 = R.move(0);
+    const moveCurried4 = moveCurried3(2);
+    moveCurried4<string>(sampleList); // => ['b', 'c', 'a', 'd', 'e', 'f']
+};
+
+() => {
+    R.none(Number.isNaN, [1, 2, 3]); // => true
+    R.none(Number.isNaN, [1, 2, 3, NaN]); // => false
+    R.none(Number.isNaN, [1, 2, 3, NaN]); // => false
+};
+
 () => {
     const list = ["foo", "bar", "baz", "quux"];
     R.nth(1, list); // => 'bar'
diff --git a/types/ramda/src/isNaN.d.ts b/types/ramda/src/isNaN.d.ts
deleted file mode 100644
index 5dbe28177a..0000000000
--- a/types/ramda/src/isNaN.d.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-import { isNaN } from '../index';
-export default isNaN;
diff --git a/types/ramda/test/isNaN-tests.ts b/types/ramda/test/isNaN-tests.ts
deleted file mode 100644
index bc802bdbe0..0000000000
--- a/types/ramda/test/isNaN-tests.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-import * as R from 'ramda';
-
-() => {
-  R.isNaN(NaN); // => true
-  R.isNaN(undefined); // => false
-  R.isNaN({}); // => false
-};
diff --git a/types/ramda/test/none-tests.ts b/types/ramda/test/none-tests.ts
index a81f4f2ad8..ce46c357b8 100644
--- a/types/ramda/test/none-tests.ts
+++ b/types/ramda/test/none-tests.ts
@@ -1,7 +1,7 @@
 import * as R from 'ramda';
 
 () => {
-  R.none(R.isNaN, [1, 2, 3]); // => true
-  R.none(R.isNaN, [1, 2, 3, NaN]); // => false
-  R.none(R.isNaN)([1, 2, 3, NaN]); // => false
+  R.none(Number.isNaN, [1, 2, 3]); // => true
+  R.none(Number.isNaN, [1, 2, 3, NaN]); // => false
+  R.none(Number.isNaN)([1, 2, 3, NaN]); // => false
 };
diff --git a/types/ramda/tsconfig.json b/types/ramda/tsconfig.json
index 5033d5bc3f..cf4e5d7120 100644
--- a/types/ramda/tsconfig.json
+++ b/types/ramda/tsconfig.json
@@ -112,7 +112,6 @@
         "test/is-tests.ts",
         "test/isArrayLike-tests.ts",
         "test/isEmpty-tests.ts",
-        "test/isNaN-tests.ts",
         "test/join-tests.ts",
         "test/juxt-tests.ts",
         "test/keys-tests.ts",