diff --git a/src/frontend/src/icp/schema/ic-token.schema.ts b/src/frontend/src/icp/schema/ic-token.schema.ts
index 9630ee0dd5..58bcf682e2 100644
--- a/src/frontend/src/icp/schema/ic-token.schema.ts
+++ b/src/frontend/src/icp/schema/ic-token.schema.ts
@@ -16,8 +16,7 @@ export const IcAppMetadataSchema = z.object({
 
 export const IcCanistersSchema = z.object({
 	ledgerCanisterId: CanisterIdTextSchema,
-	// TODO: Make canister .optional()
-	indexCanisterId: CanisterIdTextSchema
+	indexCanisterId: CanisterIdTextSchema.optional()
 });
 
 export const IcCanistersStrictSchema = IcCanistersSchema.extend({
diff --git a/src/frontend/src/icp/utils/ic-token.utils.ts b/src/frontend/src/icp/utils/ic-token.utils.ts
deleted file mode 100644
index e10206dc2d..0000000000
--- a/src/frontend/src/icp/utils/ic-token.utils.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-import type { IcCanistersStrict, IcToken } from '$icp/types/ic-token';
-import { IcCanistersStrictSchema, IcTokenSchema } from '$icp/validation/ic-token.validation';
-import type { Token } from '$lib/types/token';
-
-export const isIcToken = (token: Token): token is IcToken => {
-	const { success } = IcTokenSchema.safeParse(token);
-	return success;
-};
-
-export const isNotIcToken = (token: Token): token is Exclude<Token, IcToken> => !isIcToken(token);
-
-export const isIcTokenCanistersStrict = (token: IcToken): token is IcToken & IcCanistersStrict => {
-	const { success } = IcCanistersStrictSchema.safeParse(token);
-	return success;
-};
-
-export const isNotIcTokenCanistersStrict = (
-	token: IcToken
-): token is Exclude<IcToken, IcToken & IcCanistersStrict> => !isIcTokenCanistersStrict(token);
diff --git a/src/frontend/src/tests/icp/schema/ic-token.schema.spec.ts b/src/frontend/src/tests/icp/schema/ic-token.schema.spec.ts
index 992204bf2a..a426ef89b1 100644
--- a/src/frontend/src/tests/icp/schema/ic-token.schema.spec.ts
+++ b/src/frontend/src/tests/icp/schema/ic-token.schema.spec.ts
@@ -99,13 +99,12 @@ describe('ic-token.schema', () => {
 			expect(IcCanistersSchema.parse(validData)).toEqual(validData);
 		});
 
-		// TODO: uncomment when Index canister becomes optional
-		// it('should validate with ledger canister only', () => {
-		// 	const validData = {
-		// 		ledgerCanisterId: mockCanisters.ledgerCanisterId
-		// 	};
-		// 	expect(IcCanistersSchema.parse(validData)).toEqual(validData);
-		// });
+		it('should validate with ledger canister only', () => {
+			const validData = {
+				ledgerCanisterId: mockCanisters.ledgerCanisterId
+			};
+			expect(IcCanistersSchema.parse(validData)).toEqual(validData);
+		});
 
 		it('should fail with invalid ledger canister id', () => {
 			const invalidData = {
@@ -219,11 +218,10 @@ describe('ic-token.schema', () => {
 			expect(IcInterfaceSchema.parse(validData)).toEqual(validData);
 		});
 
-		// TODO: uncomment when Index canister becomes optional
-		// it('should validate without Index canister', () => {
-		// 	const { indexCanisterId: _, ...restValidData } = validData;
-		// 	expect(IcInterfaceSchema.parse(restValidData)).toEqual(restValidData);
-		// });
+		it('should validate without Index canister', () => {
+			const { indexCanisterId: _, ...restValidData } = validData;
+			expect(IcInterfaceSchema.parse(restValidData)).toEqual(restValidData);
+		});
 
 		it('should fail with incorrect IcCanisters data', () => {
 			const invalidData = {
diff --git a/src/frontend/src/tests/icp/validation/ic-token.validation.spec.ts b/src/frontend/src/tests/icp/validation/ic-token.validation.spec.ts
index d18122cab7..42dfa81889 100644
--- a/src/frontend/src/tests/icp/validation/ic-token.validation.spec.ts
+++ b/src/frontend/src/tests/icp/validation/ic-token.validation.spec.ts
@@ -23,9 +23,7 @@ describe('ic-token.validation', () => {
 	};
 
 	const validIcCanisters: IcCanisters = {
-		ledgerCanisterId: IC_CKBTC_LEDGER_CANISTER_ID,
-		// TODO: to be removed when indexCanisterId becomes optional
-		indexCanisterId: IC_CKBTC_INDEX_CANISTER_ID
+		ledgerCanisterId: IC_CKBTC_LEDGER_CANISTER_ID
 	};
 
 	const validIcToken: IcToken = {
@@ -35,6 +33,11 @@ describe('ic-token.validation', () => {
 		position: 1
 	};
 
+	const validIcTokenWithIndex: IcToken = {
+		...validIcToken,
+		indexCanisterId: IC_CKBTC_INDEX_CANISTER_ID
+	};
+
 	describe('isIcToken', () => {
 		it('should return true for a valid IcToken', () => {
 			expect(isIcToken(validIcToken)).toBe(true);
@@ -57,13 +60,12 @@ describe('ic-token.validation', () => {
 
 	describe('isIcTokenCanistersStrict', () => {
 		it('should return true for a valid IcToken with IcCanistersStrict', () => {
-			expect(isIcTokenCanistersStrict(validIcToken)).toBe(true);
+			expect(isIcTokenCanistersStrict(validIcTokenWithIndex)).toBe(true);
 		});
 
-		// TODO: test missing indexCanisterId when it becomes optional
-		// it('should return false for a valid IcToken without strict canisters fields', () => {
-		// 	expect(isIcTokenCanistersStrict(validIcToken)).toBe(false);
-		// });
+		it('should return false for a valid IcToken without strict canisters fields', () => {
+			expect(isIcTokenCanistersStrict(validIcToken)).toBe(false);
+		});
 
 		it('should return false for a token type casted to IcToken', () => {
 			expect(isIcTokenCanistersStrict(validToken as IcToken)).toBe(false);
@@ -72,13 +74,12 @@ describe('ic-token.validation', () => {
 
 	describe('isNotIcTokenCanistersStrict', () => {
 		it('should return false for a valid IcToken with IcCanistersStrict', () => {
-			expect(isNotIcTokenCanistersStrict(validIcToken)).toBe(false);
+			expect(isNotIcTokenCanistersStrict(validIcTokenWithIndex)).toBe(false);
 		});
 
-		// TODO: test missing indexCanisterId when it becomes optional
-		// it('should return true for a valid IcToken without strict canisters fields', () => {
-		// 	expect(isNotIcTokenCanistersStrict(validIcToken)).toBe(true);
-		// });
+		it('should return true for a valid IcToken without strict canisters fields', () => {
+			expect(isNotIcTokenCanistersStrict(validIcToken)).toBe(true);
+		});
 
 		it('should return true for a token type casted to IcToken', () => {
 			expect(isNotIcTokenCanistersStrict(validToken as IcToken)).toBe(true);