diff --git a/src/utils/__tests__/__snapshots__/ethUtils.test.js.snap b/src/utils/__tests__/__snapshots__/ethUtils.test.js.snap
deleted file mode 100644
index ad90b78c..00000000
--- a/src/utils/__tests__/__snapshots__/ethUtils.test.js.snap
+++ /dev/null
@@ -1,45 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`eth utils calcGasPrice 1`] = `"89090990901"`;
-
-exports[`eth utils decimalToHex 1`] = `"0"`;
-
-exports[`eth utils decimalToHex 2`] = `"1"`;
-
-exports[`eth utils decimalToHex 3`] = `"2"`;
-
-exports[`eth utils decimalToHex 4`] = `"64"`;
-
-exports[`eth utils decimalToHex 5`] = `"2540be3ff"`;
-
-exports[`eth utils hexToDecimal 1`] = `"9999999999"`;
-
-exports[`eth utils hexToDecimal 2`] = `"100"`;
-
-exports[`eth utils hexToDecimal 3`] = `"2"`;
-
-exports[`eth utils hexToDecimal 4`] = `"1"`;
-
-exports[`eth utils hexToDecimal 5`] = `"0"`;
-
-exports[`eth utils hexToDecimal 6`] = `"null"`;
-
-exports[`eth utils padLeftEven 1`] = `"02540be3ff"`;
-
-exports[`eth utils sanitizeHex 1`] = `"0x02540be3ff"`;
-
-exports[`eth utils sanitizeHex 2`] = `"0x01"`;
-
-exports[`eth utils sanitizeHex 3`] = `"0x02"`;
-
-exports[`eth utils sanitizeHex 4`] = `"0x0100"`;
-
-exports[`eth utils sanitizeHex 5`] = `"0x0999"`;
-
-exports[`eth utils sanitizeHex 6`] = `""`;
-
-exports[`eth utils strip 1`] = `""`;
-
-exports[`eth utils strip 2`] = `"02540be3ff"`;
-
-exports[`eth utils strip 3`] = `"02540be3ff"`;
diff --git a/src/utils/__tests__/ethUtils.test.js b/src/utils/__tests__/ethUtils.test.js
index 119b90e5..e3fb8c1b 100644
--- a/src/utils/__tests__/ethUtils.test.js
+++ b/src/utils/__tests__/ethUtils.test.js
@@ -1,53 +1,44 @@
 import BigNumber from 'bignumber.js';
-import * as ethUtils from '../ethUtils';
+import * as utils from '../ethUtils';
 
 describe('eth utils', () => {
     it('decimalToHex', () => {
-        const input = [0, 1, 2, 100, 9999999999];
-
-        input.forEach((entry) => {
-            expect(ethUtils.decimalToHex(entry)).toMatchSnapshot();
-        });
+        expect(utils.decimalToHex(0)).toBe('0');
+        expect(utils.decimalToHex(1)).toBe('1');
+        expect(utils.decimalToHex(2)).toBe('2');
+        expect(utils.decimalToHex(100)).toBe('64');
+        expect(utils.decimalToHex(9999999999)).toBe('2540be3ff');
     });
 
+    // TODO: decimal as string ?????
     it('hexToDecimal', () => {
-        const input = ['2540be3ff', '64', '2', '1', '0', ''];
-
-        input.forEach((entry) => {
-            expect(ethUtils.hexToDecimal(entry)).toMatchSnapshot();
-        });
+        expect(utils.hexToDecimal('2540be3ff')).toBe('9999999999');
+        expect(utils.hexToDecimal(64)).toBe('100');
+        expect(utils.hexToDecimal(2)).toBe('2');
+        expect(utils.hexToDecimal(1)).toBe('1');
+        expect(utils.hexToDecimal(0)).toBe('0');
     });
 
     it('padLeftEven', () => {
-        const input = ['2540be3ff'];
-
-        input.forEach((entry) => {
-            expect(ethUtils.padLeftEven(entry)).toMatchSnapshot();
-        });
+        expect(utils.padLeftEven('2540be3ff')).toBe('02540be3ff');
     });
 
     it('sanitizeHex', () => {
-        const input = ['0x2540be3ff', '1', '2', '100', '999', ''];
-
-        input.forEach((entry) => {
-            expect(ethUtils.sanitizeHex(entry)).toMatchSnapshot();
-        });
+        expect(utils.sanitizeHex('0x2540be3ff')).toBe('0x02540be3ff');
+        expect(utils.sanitizeHex('1')).toBe('0x01');
+        expect(utils.sanitizeHex('2')).toBe('0x02');
+        expect(utils.sanitizeHex('100')).toBe('0x0100');
+        expect(utils.sanitizeHex('999')).toBe('0x0999');
+        expect(utils.sanitizeHex('')).toBe('');
     });
 
-
     it('strip', () => {
-        const input = ['0x', '0x2540be3ff', '2540be3ff'];
-
-        input.forEach((entry) => {
-            expect(ethUtils.strip(entry)).toMatchSnapshot();
-        });
+        expect(utils.strip('0x')).toBe('');
+        expect(utils.strip('0x2540be3ff')).toBe('02540be3ff');
+        expect(utils.strip('2540be3ff')).toBe('02540be3ff');
     });
 
-    it('calcGasPrice', () => {
-        const input = [{ price: new BigNumber(9898998989), limit: '9' }];
-
-        input.forEach((entry) => {
-            expect(ethUtils.calcGasPrice(entry.price, entry.limit)).toMatchSnapshot();
-        });
+    it('calculate gas price', () => {
+        expect(utils.calcGasPrice(new BigNumber(9898998989), 9)).toBe('89090990901');
     });
 });