diff --git a/src/versions/1.1/csv.ts b/src/versions/1.1/csv.ts
index 3a37df8..478838c 100644
--- a/src/versions/1.1/csv.ts
+++ b/src/versions/1.1/csv.ts
@@ -9,10 +9,8 @@ import {
 import {
   BILLING_CODE_TYPES,
   BillingCodeType,
-  CHARGE_BILLING_CLASSES,
   CHARGE_SETTINGS,
   CONTRACTING_METHODS,
-  ChargeBillingClass,
   ChargeSetting,
   ContractingMethod,
   DRUG_UNITS,
@@ -24,13 +22,11 @@ export const HEADER_COLUMNS = [
   "last_updated_on",
   "version",
   "hospital_location",
-  "financial_aid_policy",
   "license_number | state",
 ]
 
 export const BASE_COLUMNS = [
   "description",
-  "billing_class",
   "setting",
   "drug_unit_of_measurement",
   "drug_type_of_measurement",
@@ -243,23 +239,6 @@ export function validateRow(
     )
   }
 
-  if (
-    !CHARGE_BILLING_CLASSES.includes(row["billing_class"] as ChargeBillingClass)
-  ) {
-    errors.push(
-      csvErr(
-        index,
-        columns.indexOf("billing_class"),
-        "billing_class",
-        ERRORS.ALLOWED_VALUES(
-          "billing_class",
-          row["billing_class"],
-          CHARGE_BILLING_CLASSES as unknown as string[]
-        )
-      )
-    )
-  }
-
   if (!CHARGE_SETTINGS.includes(row["setting"] as ChargeSetting)) {
     errors.push(
       csvErr(
@@ -477,7 +456,6 @@ export function getBaseColumns(columns: string[]): string[] {
   return [
     "description",
     ...codeColumns,
-    "billing_class",
     "setting",
     "drug_unit_of_measurement",
     "drug_type_of_measurement",
diff --git a/src/versions/1.1/json.ts b/src/versions/1.1/json.ts
index 6e7626b..cedc544 100644
--- a/src/versions/1.1/json.ts
+++ b/src/versions/1.1/json.ts
@@ -10,7 +10,6 @@ import {
 } from "../../types.js"
 import {
   BILLING_CODE_TYPES,
-  CHARGE_BILLING_CLASSES,
   CHARGE_SETTINGS,
   DRUG_UNITS,
   CONTRACTING_METHODS,
@@ -58,10 +57,6 @@ const STANDARD_CHARGE_DEFINITIONS = {
         items: { $ref: "#/definitions/payers_information" },
         minItems: 1,
       },
-      billing_class: {
-        enum: CHARGE_BILLING_CLASSES,
-        type: "string",
-      },
       additional_generic_notes: { type: "string" },
     },
     required: ["setting"],
@@ -157,7 +152,6 @@ export const METADATA_PROPERTIES = {
   },
   version: { type: "string" },
   hospital_location: { type: "string" },
-  financial_aid_policy: { type: "string" },
 }
 
 export const METADATA_REQUIRED = ["hospital_name", "last_updated_on", "version"]
diff --git a/src/versions/1.1/types.ts b/src/versions/1.1/types.ts
index 790e807..b649210 100644
--- a/src/versions/1.1/types.ts
+++ b/src/versions/1.1/types.ts
@@ -28,10 +28,6 @@ export const CHARGE_SETTINGS = ["inpatient", "outpatient", "both"] as const
 type ChargeSettingTuple = typeof CHARGE_SETTINGS
 export type ChargeSetting = ChargeSettingTuple[number]
 
-export const CHARGE_BILLING_CLASSES = ["professional", "facility"] as const
-type ChargeBillingClassTuple = typeof CHARGE_BILLING_CLASSES
-export type ChargeBillingClass = ChargeBillingClassTuple[number]
-
 export const CONTRACTING_METHODS = [
   "case rate",
   "fee schedule",
diff --git a/src/versions/2.0/csv.ts b/src/versions/2.0/csv.ts
index 1193e84..95a1136 100644
--- a/src/versions/2.0/csv.ts
+++ b/src/versions/2.0/csv.ts
@@ -10,7 +10,6 @@ import {
 } from "../common/csv.js"
 import {
   BILLING_CODE_TYPES,
-  CHARGE_BILLING_CLASSES,
   CHARGE_SETTINGS,
   STANDARD_CHARGE_METHODOLOGY,
   DRUG_UNITS,
@@ -43,11 +42,6 @@ export const BASE_COLUMNS = [
   "additional_generic_notes", // string
 ]
 
-export const OPTIONAL_COLUMNS = [
-  "financial_aid_policy", // string
-  "billing_class", // CHARGE_BILLING_CLASSES or blank
-]
-
 export const TALL_COLUMNS = [
   "payer_name", // string
   "plan_name", // string
@@ -387,16 +381,6 @@ export function validateRow(
     )
   }
 
-  errors.push(
-    ...validateOptionalEnumField(
-      row,
-      "billing_class",
-      index,
-      columns.indexOf("billing_class"),
-      CHARGE_BILLING_CLASSES
-    )
-  )
-
   errors.push(
     ...validateRequiredEnumField(
       row,
@@ -555,16 +539,6 @@ function validateModifierRow(
   }
 
   // other conditionals don't apply for modifier rows, but any values entered should still be the correct type
-  errors.push(
-    ...validateOptionalEnumField(
-      row,
-      "billing_class",
-      index,
-      columns.indexOf("billing_class"),
-      CHARGE_BILLING_CLASSES
-    )
-  )
-
   errors.push(
     ...validateOptionalEnumField(
       row,
diff --git a/src/versions/2.0/json.ts b/src/versions/2.0/json.ts
index 8ca7d50..14da5ab 100644
--- a/src/versions/2.0/json.ts
+++ b/src/versions/2.0/json.ts
@@ -10,7 +10,6 @@ import {
 } from "../../types.js"
 import {
   BILLING_CODE_TYPES,
-  CHARGE_BILLING_CLASSES,
   CHARGE_SETTINGS,
   DRUG_UNITS,
   STANDARD_CHARGE_METHODOLOGY,
@@ -55,10 +54,6 @@ const STANDARD_CHARGE_DEFINITIONS = {
         items: { $ref: "#/definitions/payers_information" },
         minItems: 1,
       },
-      billing_class: {
-        enum: CHARGE_BILLING_CLASSES,
-        type: "string",
-      },
       additional_generic_notes: { type: "string" },
     },
     required: ["setting"],
diff --git a/src/versions/2.0/types.ts b/src/versions/2.0/types.ts
index 4f25716..eb90f5a 100644
--- a/src/versions/2.0/types.ts
+++ b/src/versions/2.0/types.ts
@@ -30,14 +30,6 @@ export const CHARGE_SETTINGS = ["inpatient", "outpatient", "both"] as const
 type ChargeSettingTuple = typeof CHARGE_SETTINGS
 export type ChargeSetting = ChargeSettingTuple[number]
 
-export const CHARGE_BILLING_CLASSES = [
-  "professional",
-  "facility",
-  "both",
-] as const
-type ChargeBillingClassTuple = typeof CHARGE_BILLING_CLASSES
-export type ChargeBillingClass = ChargeBillingClassTuple[number]
-
 export const STANDARD_CHARGE_METHODOLOGY = [
   "case rate",
   "fee schedule",