diff --git a/README.md b/README.md
index eb004224d14539667bb1a51b9103be7ba6a0e040..b50d48353a41f4cfd98d98d39e839bf287a361c5 100644
--- a/README.md
+++ b/README.md
@@ -41,10 +41,6 @@ transactions = [Transaction.from_dict({
     "sequenceno": 1,
     "taxcode": 1,
     "transtype": 1,
-    "arrivaldate": 1,
-    "compldelay": 1,
-    "discdate": 1,
-    "duedate": 1,
     "extinvref": 1
 })]
 
diff --git a/setra_client/models.py b/setra_client/models.py
index 15d2cdca85c13d62930ed28277a5c49909207ded..c11a0bba83c3fa3e5d47817f4fb9e6940674d6ce 100644
--- a/setra_client/models.py
+++ b/setra_client/models.py
@@ -63,10 +63,6 @@ class Transaction(BaseModel):
     sequenceno: Optional[int]
     taxcode: Optional[str]
     transtype: str
-    arrivaldate: Optional[datetime.date]
-    compldelay: Optional[datetime.date]
-    discdate: Optional[datetime.date]
-    duedate: Optional[datetime.date]
     extinvref: Optional[str]
 
 
diff --git a/tests/fixtures/multi_fail_fixture.json b/tests/fixtures/multi_fail_fixture.json
index 7857d2d77fd3930b25424f61c52c41e8f33ae9f5..841d16217de35d48b0cdf56df8de15cdb265ce99 100644
--- a/tests/fixtures/multi_fail_fixture.json
+++ b/tests/fixtures/multi_fail_fixture.json
@@ -34,10 +34,6 @@
       "sequenceno": 1,
       "taxcode": 1,
       "transtype": 1,
-      "arrivaldate": 1,
-      "compldelay": 1,
-      "discdate": 1,
-      "duedate": 1,
       "extinvref": 1
     },
     {
@@ -58,10 +54,6 @@
       "sequenceno": 2,
       "taxcode": 2,
       "transtype": 2,
-      "arrivaldate": 2,
-      "compldelay": 2,
-      "discdate": 2,
-      "duedate": 2,
       "extinvref": 2
     }
   ]
diff --git a/tests/fixtures/multi_fixture.json b/tests/fixtures/multi_fixture.json
index dd0b7639943846da2023d77418b1fc47efda588a..8e9d385a4708271638936e9fa5b5259d862db502 100644
--- a/tests/fixtures/multi_fixture.json
+++ b/tests/fixtures/multi_fixture.json
@@ -33,10 +33,6 @@
       "sequenceno": 1,
       "taxcode": 1,
       "transtype": 1,
-      "arrivaldate": 1,
-      "compldelay": 1,
-      "discdate": 1,
-      "duedate": 1,
       "extinvref": 1
     },
     {
@@ -58,10 +54,6 @@
       "sequenceno": 2,
       "taxcode": 2,
       "transtype": 2,
-      "arrivaldate": 2,
-      "compldelay": 2,
-      "discdate": 2,
-      "duedate": 2,
       "extinvref": 2
     }
   ]
diff --git a/tests/fixtures/trans_fail_fixture.json b/tests/fixtures/trans_fail_fixture.json
index 4446b9f89e8fd898d80413b4c416cc6db5cafce6..a4d2d183f353c393782f1ac2eb8287e4334ad589 100644
--- a/tests/fixtures/trans_fail_fixture.json
+++ b/tests/fixtures/trans_fail_fixture.json
@@ -15,9 +15,5 @@
   "dim7": 1,
   "sequenceno": 1,
   "taxcode": 1,
-  "transtype": 1,
-  "arrivaldate": 1,
-  "compldelay": 1,
-  "discdate": 1,
-  "duedate": 1
+  "transtype": 1
 }
diff --git a/tests/fixtures/trans_fixture.json b/tests/fixtures/trans_fixture.json
index 8d0ac0599d30d4b3a5ff8d927759714e2835a44c..1b6822fd4221aec945a78fcf5dca4bc36398f117 100644
--- a/tests/fixtures/trans_fixture.json
+++ b/tests/fixtures/trans_fixture.json
@@ -17,9 +17,5 @@
   "sequenceno": 1,
   "taxcode": 1,
   "transtype": 1,
-  "arrivaldate": 1,
-  "compldelay": 1,
-  "discdate": 1,
-  "duedate": 1,
   "extinvref": 1
 }