diff --git a/docs/index.md b/docs/index.md
index 0bd378a3..a4c4bb0b 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -546,16 +546,14 @@ memos | [memos](#transaction-memos) | *Optional* Array of memos to attach to the
     "address": "r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59",
     "maxAmount": {
       "value": "0.01",
-      "currency": "USD",
-      "counterparty": "rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM"
+      "currency": "XRP"
     }
   },
   "destination": {
     "address": "rpZc4mVfWUif9CRoHRKKcmhu1nx2xktxBo",
     "amount": {
       "value": "0.01",
-      "currency": "USD",
-      "counterparty": "rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM"
+      "currency": "XRP"
     }
   },
   "allowCancelAfter": "2014-09-24T21:21:50.000Z"
@@ -3171,16 +3169,14 @@ const escrowCreation = {
     "address": "r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59",
     "maxAmount": {
       "value": "0.01",
-      "currency": "USD",
-      "counterparty": "rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM"
+      "currency": "XRP"
     }
   },
   "destination": {
     "address": "rpZc4mVfWUif9CRoHRKKcmhu1nx2xktxBo",
     "amount": {
       "value": "0.01",
-      "currency": "USD",
-      "counterparty": "rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM"
+      "currency": "XRP"
     }
   },
   "allowCancelAfter": "2014-09-24T21:21:50.000Z"
@@ -3192,7 +3188,7 @@ return api.prepareEscrowCreation(address, escrowCreation).then(prepared =>
 
 ```json
 {
-  "txJSON": "{\"Flags\":2147483648,\"TransactionType\":\"EscrowCreate\",\"Account\":\"r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59\",\"Destination\":\"rpZc4mVfWUif9CRoHRKKcmhu1nx2xktxBo\",\"Amount\":{\"value\":\"0.01\",\"currency\":\"USD\",\"issuer\":\"rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM\"},\"CancelAfter\":464908910,\"LastLedgerSequence\":8820051,\"Fee\":\"12\",\"Sequence\":23}",
+  "txJSON": "{\"Flags\":2147483648,\"TransactionType\":\"EscrowCreate\",\"Account\":\"r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59\",\"Destination\":\"rpZc4mVfWUif9CRoHRKKcmhu1nx2xktxBo\",\"Amount\":\"10000\",\"CancelAfter\":464908910,\"LastLedgerSequence\":8820051,\"Fee\":\"12\",\"Sequence\":23}",
   "instructions": {
     "fee": "0.000012",
     "sequence": 23,
diff --git a/src/transaction/escrow-creation.js b/src/transaction/escrow-creation.js
index 911b524c..89a7b2fd 100644
--- a/src/transaction/escrow-creation.js
+++ b/src/transaction/escrow-creation.js
@@ -26,6 +26,9 @@ function createEscrowCreationTransaction(account: string,
     Amount: toRippledAmount(payment.destination.amount)
   }
 
+  if (txJSON.Amount.currency !== undefined) {
+    throw new ValidationError('"Amount" currency must be XRP')
+  }
   if (payment.condition !== undefined) {
     txJSON.Condition = payment.condition
   }
diff --git a/test/api-test.js b/test/api-test.js
index 97342c70..9b8df950 100644
--- a/test/api-test.js
+++ b/test/api-test.js
@@ -649,15 +649,6 @@ describe('RippleAPI', function() {
           'getTransaction'));
     });
 
-    it('getTransaction - EscrowCreation iou', function() {
-      const hash =
-        '144F272380BDB4F1BD92329A2178BABB70C20F59042C495E10BF72EBFB408EE2';
-      return this.api.getTransaction(hash).then(
-        _.partial(checkResult,
-          responses.getTransaction.EscrowCreationIOU,
-          'getTransaction'));
-    });
-
     it('getTransaction - EscrowCancellation', function() {
       const hash =
         'F346E542FFB7A8398C30A87B952668DAB48B7D421094F8B71776DA19775A3B22';
diff --git a/test/fixtures/requests/prepare-escrow-creation-full.json b/test/fixtures/requests/prepare-escrow-creation-full.json
index 38553905..5039c6e1 100644
--- a/test/fixtures/requests/prepare-escrow-creation-full.json
+++ b/test/fixtures/requests/prepare-escrow-creation-full.json
@@ -3,8 +3,7 @@
     "address": "r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59",
     "maxAmount": {
       "value": "0.01",
-      "currency": "USD",
-      "counterparty": "rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM"
+      "currency": "XRP"
     },
     "tag": 1
   },
@@ -12,8 +11,7 @@
     "address": "rpZc4mVfWUif9CRoHRKKcmhu1nx2xktxBo",
     "amount": {
       "value": "0.01",
-      "currency": "USD",
-      "counterparty": "rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM"
+      "currency": "XRP"
     },
     "tag": 2
   },
diff --git a/test/fixtures/requests/prepare-escrow-creation.json b/test/fixtures/requests/prepare-escrow-creation.json
index 2d1ef8a3..7a6a611d 100644
--- a/test/fixtures/requests/prepare-escrow-creation.json
+++ b/test/fixtures/requests/prepare-escrow-creation.json
@@ -3,16 +3,14 @@
     "address": "r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59",
     "maxAmount": {
       "value": "0.01",
-      "currency": "USD",
-      "counterparty": "rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM"
+      "currency": "XRP"
     }
   },
   "destination": {
     "address": "rpZc4mVfWUif9CRoHRKKcmhu1nx2xktxBo",
     "amount": {
       "value": "0.01",
-      "currency": "USD",
-      "counterparty": "rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM"
+      "currency": "XRP"
     }
   },
   "allowCancelAfter": "2014-09-24T21:21:50.000Z"
diff --git a/test/fixtures/responses/get-transaction-escrow-create-iou.json b/test/fixtures/responses/get-transaction-escrow-create-iou.json
deleted file mode 100644
index cb6a4d63..00000000
--- a/test/fixtures/responses/get-transaction-escrow-create-iou.json
+++ /dev/null
@@ -1,51 +0,0 @@
-{
-  "type": "escrowCreation",
-  "address": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
-  "sequence": 10,
-  "id": "144F272380BDB4F1BD92329A2178BABB70C20F59042C495E10BF72EBFB408EE2",
-  "specification": {
-    "source": {
-      "address": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
-      "maxAmount": {
-        "currency": "USD",
-        "value": "2"
-      },
-      "tag": 1
-    },
-    "destination": {
-      "address": "rp8rJYTpodf8qbSCHVTNacf8nSW8mRakFw",
-      "amount": {
-        "currency": "USD",
-        "value": "2",
-        "counterparty": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
-      },
-      "tag": 2
-    },
-    "memos": [
-      {
-        "type": "x2",
-        "format": "text/plain",
-        "data": "mema data"
-      }
-    ],
-    "condition": "8F434346648F6B96DF89DDA901C5176B10A6D83961DD3C1AC88B59B2DC327AA4",
-    "allowCancelAfter": "2015-11-16T06:53:42.000Z",
-    "allowExecuteAfter": "2015-11-16T06:47:42.000Z"
-  },
-  "outcome": {
-    "result": "tesSUCCESS",
-    "timestamp": "2015-11-16T06:43:00.000Z",
-    "fee": "0.000012",
-    "balanceChanges": {
-      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh": [
-        {
-          "currency": "XRP",
-          "value": "-0.000014"
-        }
-      ]
-    },
-    "orderbookChanges": {},
-    "ledgerVersion": 15,
-    "indexInLedger": 0
-  }
-}
diff --git a/test/fixtures/responses/index.js b/test/fixtures/responses/index.js
index a69dd998..d239d074 100644
--- a/test/fixtures/responses/index.js
+++ b/test/fixtures/responses/index.js
@@ -36,8 +36,6 @@ module.exports = {
     notValidated: require('./get-transaction-not-validated.json'),
     escrowCreation:
       require('./get-transaction-escrow-create.json'),
-    EscrowCreationIOU:
-      require('./get-transaction-escrow-create-iou.json'),
     escrowCancellation:
       require('./get-transaction-escrow-cancellation.json'),
     escrowExecution:
diff --git a/test/fixtures/responses/prepare-escrow-creation-full.json b/test/fixtures/responses/prepare-escrow-creation-full.json
index 034c7125..34e5f487 100644
--- a/test/fixtures/responses/prepare-escrow-creation-full.json
+++ b/test/fixtures/responses/prepare-escrow-creation-full.json
@@ -1,5 +1,5 @@
 {
-  "txJSON": "{\"TransactionType\":\"EscrowCreate\",\"Account\":\"r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59\",\"Destination\":\"rpZc4mVfWUif9CRoHRKKcmhu1nx2xktxBo\",\"Amount\":{\"currency\":\"USD\",\"issuer\":\"rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM\",\"value\":\"0.01\"},\"Condition\":\"8F434346648F6B96DF89DDA901C5176B10A6D83961DD3C1AC88B59B2DC327AA4\",\"FinishAfter\":464908910,\"SourceTag\":1,\"DestinationTag\":2,\"Memos\":[{\"Memo\":{\"MemoData\":\"7465787465642064617461\",\"MemoType\":\"74657374\"}}],\"Flags\":2147483648,\"LastLedgerSequence\":8819954,\"Fee\":\"12\",\"Sequence\":23}",
+  "txJSON": "{\"TransactionType\":\"EscrowCreate\",\"Account\":\"r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59\",\"Destination\":\"rpZc4mVfWUif9CRoHRKKcmhu1nx2xktxBo\",\"Amount\":\"10000\",\"Condition\":\"8F434346648F6B96DF89DDA901C5176B10A6D83961DD3C1AC88B59B2DC327AA4\",\"FinishAfter\":464908910,\"SourceTag\":1,\"DestinationTag\":2,\"Memos\":[{\"Memo\":{\"MemoData\":\"7465787465642064617461\",\"MemoType\":\"74657374\"}}],\"Flags\":2147483648,\"LastLedgerSequence\":8819954,\"Fee\":\"12\",\"Sequence\":23}",
   "instructions": {
     "fee": "0.000012",
     "sequence": 23,
diff --git a/test/fixtures/responses/prepare-escrow-creation.json b/test/fixtures/responses/prepare-escrow-creation.json
index 24afa21d..debc9c9f 100644
--- a/test/fixtures/responses/prepare-escrow-creation.json
+++ b/test/fixtures/responses/prepare-escrow-creation.json
@@ -1,5 +1,5 @@
 {
-  "txJSON": "{\"Flags\":2147483648,\"TransactionType\":\"EscrowCreate\",\"Account\":\"r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59\",\"Destination\":\"rpZc4mVfWUif9CRoHRKKcmhu1nx2xktxBo\",\"Amount\":{\"value\":\"0.01\",\"currency\":\"USD\",\"issuer\":\"rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM\"},\"CancelAfter\":464908910,\"LastLedgerSequence\":8820051,\"Fee\":\"12\",\"Sequence\":23}",
+  "txJSON": "{\"Flags\":2147483648,\"TransactionType\":\"EscrowCreate\",\"Account\":\"r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59\",\"Destination\":\"rpZc4mVfWUif9CRoHRKKcmhu1nx2xktxBo\",\"Amount\":\"10000\",\"CancelAfter\":464908910,\"LastLedgerSequence\":8820051,\"Fee\":\"12\",\"Sequence\":23}",
   "instructions": {
     "fee": "0.000012",
     "sequence": 23,
diff --git a/test/fixtures/rippled/index.js b/test/fixtures/rippled/index.js
index 77c086f0..a8f78b13 100644
--- a/test/fixtures/rippled/index.js
+++ b/test/fixtures/rippled/index.js
@@ -65,8 +65,6 @@ module.exports = {
     NotValidated: require('./tx/not-validated.json'),
     OfferWithExpiration: require('./tx/order-with-expiration.json'),
     EscrowCreation: require('./tx/escrow-creation.json'),
-    EscrowCreationIOU:
-      require('./tx/escrow-creation-iou.json'),
     EscrowCancellation:
       require('./tx/escrow-cancellation.json'),
     EscrowExecution: require('./tx/escrow-execution.json'),
diff --git a/test/mock-rippled.js b/test/mock-rippled.js
index 8d8de3ca..570fe67d 100644
--- a/test/mock-rippled.js
+++ b/test/mock-rippled.js
@@ -274,9 +274,6 @@ module.exports = function createMockRippled(port) {
     } else if (request.transaction ===
         '144F272380BDB4F1BD92329A2178BABB70C20F59042C495E10BF72EBFB408EE1') {
       conn.send(createResponse(request, fixtures.tx.EscrowCreation));
-    } else if (request.transaction ===
-        '144F272380BDB4F1BD92329A2178BABB70C20F59042C495E10BF72EBFB408EE2') {
-      conn.send(createResponse(request, fixtures.tx.EscrowCreationIOU));
     } else if (request.transaction ===
         'F346E542FFB7A8398C30A87B952668DAB48B7D421094F8B71776DA19775A3B22') {
       conn.send(createResponse(request, fixtures.tx.EscrowCancellation));