diff --git a/languages/cpp/language.config.json b/languages/cpp/language.config.json
index ef6d63b1..db9b7ddc 100644
--- a/languages/cpp/language.config.json
+++ b/languages/cpp/language.config.json
@@ -6,7 +6,6 @@
     "unwrapResultObjects": false,
     "createPolymorphicMethods": true,
     "excludeDeclarations": true,
-    "overrideRule": true,
     "aggregateFiles": [
         "/include/firebolt.h",
         "/src/firebolt.cpp"
@@ -22,12 +21,7 @@
         "/src/jsondata_module.h"
     ],
     "persistPermission": true,
-    "primitives": {
-        "boolean": "bool",
-        "integer": "int32_t",
-        "number": "float",
-        "string": "std::string"
-    },
+    "primitives": {},
     "langVersion" : "c++17",
     "additionalSchemaTemplates": [ "json-types" ],
     "additionalMethodTemplates": [ "declarations", "declarations-override" ]
diff --git a/languages/cpp/templates/types/boolean.h b/languages/cpp/templates/types/boolean.h
new file mode 100644
index 00000000..fc75f206
--- /dev/null
+++ b/languages/cpp/templates/types/boolean.h
@@ -0,0 +1 @@
+bool
\ No newline at end of file
diff --git a/languages/cpp/templates/types/integer.h b/languages/cpp/templates/types/integer.h
new file mode 100644
index 00000000..33028e0f
--- /dev/null
+++ b/languages/cpp/templates/types/integer.h
@@ -0,0 +1 @@
+int32_t
\ No newline at end of file
diff --git a/languages/cpp/templates/types/number.h b/languages/cpp/templates/types/number.h
new file mode 100644
index 00000000..05eeb48f
--- /dev/null
+++ b/languages/cpp/templates/types/number.h
@@ -0,0 +1 @@
+float
\ No newline at end of file
diff --git a/languages/cpp/templates/types/string.h b/languages/cpp/templates/types/string.h
new file mode 100644
index 00000000..c6d1c815
--- /dev/null
+++ b/languages/cpp/templates/types/string.h
@@ -0,0 +1 @@
+std::string
\ No newline at end of file
diff --git a/src/macrofier/engine.mjs b/src/macrofier/engine.mjs
index 2e8f6704..031e61ea 100644
--- a/src/macrofier/engine.mjs
+++ b/src/macrofier/engine.mjs
@@ -1252,12 +1252,12 @@ function insertMethodMacros(template, methodObj, json, templates, examples = {})
   const pullsResultType = pullsResult && types.getSchemaShape(pullsResult, json, { destination: state.destination, templateDir: state.typeTemplateDir, section: state.section })
   const pullsForType = pullsResult && types.getSchemaType(pullsResult, json, { destination: state.destination, templateDir: state.typeTemplateDir, section: state.section })
   const pullsParamsType = pullsParams ? types.getSchemaShape(pullsParams, json, { destination: state.destination, templateDir: state.typeTemplateDir, section: state.section }) : ''
-  const serializedParams = flattenedMethod.params.map(param => types.getSchemaShape(param.schema, json, { templateDir: 'parameter-serialization', property: param.name, required: param.required || false, destination: state.destination, section: state.section, primitive: true, skipTitleOnce: true })).join('\n')
-  const resultInst = types.getSchemaShape(flattenedMethod.result.schema, json, { templateDir: 'result-instantiation', property: flattenedMethod.result.name, destination: state.destination, section: state.section, primitive: true, skipTitleOnce: true }) // w/out primitive: true, getSchemaShape skips anonymous types, like primitives
+  const serializedParams = flattenedMethod.params.map(param => types.getSchemaShape(param.schema, json, { templateDir: 'parameter-serialization', property: param.name, required: param.required, destination: state.destination, section: state.section, primitive: true, skipTitleOnce: true })).join('\n')
+  const resultInst = types.getSchemaShape(flattenedMethod.result.schema, json, { templateDir: 'result-instantiation', property: flattenedMethod.result.name, required: flattenedMethod.result.required, destination: state.destination, section: state.section, primitive: true, skipTitleOnce: true }) // w/out primitive: true, getSchemaShape skips anonymous types, like primitives
   const resultInit = types.getSchemaShape(flattenedMethod.result.schema, json, { templateDir: 'result-initialization', property: flattenedMethod.result.name, destination: state.destination, section: state.section, primitive: true, skipTitleOnce: true }) // w/out primitive: true, getSchemaShape skips anonymous types, like primitives
-  const serializedEventParams = event ? flattenedMethod.params.filter(p => p.name !== 'listen').map(param => types.getSchemaShape(param.schema, json, {templateDir: 'parameter-serialization', property: param.name, required: param.required || false, destination: state.destination, section: state.section, primitive: true, skipTitleOnce: true })).join('\n') : ''
+  const serializedEventParams = event ? flattenedMethod.params.filter(p => p.name !== 'listen').map(param => types.getSchemaShape(param.schema, json, {templateDir: 'parameter-serialization', property: param.name, required: param.required, destination: state.destination, section: state.section, primitive: true, skipTitleOnce: true })).join('\n') : ''
   // this was wrong... check when we merge if it was fixed
-  const callbackSerializedParams = event ? types.getSchemaShape(event.result.schema, json, { templateDir: 'callback-parameter-serialization', property: result.name, required: event.result.schema.required || false, destination: state.destination, section: state.section, primitive: true, skipTitleOnce: true }) : ''
+  const callbackSerializedParams = event ? types.getSchemaShape(event.result.schema, json, { templateDir: 'callback-parameter-serialization', property: result.name, required: event.result.schema.required, destination: state.destination, section: state.section, primitive: true, skipTitleOnce: true }) : ''
 
   const callbackResultInst = event ? types.getSchemaShape(event.result.schema, json, { templateDir: 'callback-result-instantiation', property: result.name, destination: state.destination, section: state.section, primitive: true, skipTitleOnce: true }) : ''
   // hmm... how is this different from callbackSerializedParams? i guess they get merged?
diff --git a/src/macrofier/index.mjs b/src/macrofier/index.mjs
index 6f2a6c4b..04cdd9fb 100644
--- a/src/macrofier/index.mjs
+++ b/src/macrofier/index.mjs
@@ -54,7 +54,6 @@ const macrofy = async (
         additionalSchemaTemplates,
         additionalMethodTemplates,
         excludeDeclarations,
-        overrideRule,
         aggregateFiles,
         operators,
         primitives,
@@ -111,7 +110,6 @@ const macrofy = async (
         typer.setPrimitives(primitives)
         typer.setAllocatedPrimitiveProxies(allocatedPrimitiveProxies)
         typer.setConvertTuples(convertTuplesToArraysOrObjects)
-        typer.setOverrideRule(overrideRule)
 
         let templatesPermission = {}
         if (persistPermission) {
diff --git a/src/macrofier/types.mjs b/src/macrofier/types.mjs
index 4dfede00..4ef38043 100644
--- a/src/macrofier/types.mjs
+++ b/src/macrofier/types.mjs
@@ -21,18 +21,18 @@ import { getPath, localizeDependencies } from '../shared/json-schema.mjs'
 import path from "path"
 
 let convertTuplesToArraysOrObjects = false
-let overrideRule = false
 const templates = {}
 const state = {}
-const primitives = {
+let primitives = {
   "integer": "number",
   "number": "number",
   "boolean": "boolean",
   "string": "string"
 }
+const stdPrimitives = [ "integer", "number", "boolean", "string" ]
 
 const isVoid = type => (type === 'void') ? true : false
-const isPrimitiveType = type => primitives[type] ? true : false
+const isPrimitiveType = type => stdPrimitives.includes(type) ? true : false
 const allocatedPrimitiveProxies = {}
 
 function setTemplates(t) {
@@ -40,7 +40,9 @@ function setTemplates(t) {
 }
 
 function setPrimitives(p) {
-  Object.assign(primitives, p)
+  if (p) {
+    primitives = p
+  }
 }
 
 function setConvertTuples(t) {
@@ -51,10 +53,6 @@ function setAllocatedPrimitiveProxies(m) {
   Object.assign(allocatedPrimitiveProxies, m)
 }
 
-function setOverrideRule(rule) {
-   overrideRule = rule
-}
-
 const capitalize = str => str ? str[0].toUpperCase() + str.substr(1) : str
 const indent = (str, padding) => {
   let first = true
@@ -144,7 +142,7 @@ const getXSchemaGroup = (schema, module) => {
   return group
 }
 
-function insertSchemaMacros(content, schema, module, { name = '', parent = '', property = '', required = true, recursive = true, templateDir = 'types'}) {
+function insertSchemaMacros(content, schema, module, { name = '', parent = '', property = '', required = false, recursive = true, templateDir = 'types'}) {
   const title = name || schema.title || ''
   let moduleTitle = getXSchemaGroup(schema, module)
 
@@ -250,7 +248,7 @@ const insertObjectMacros = (content, schema, module, title, property, options) =
         options2.templateDir += subProperty ? '/sub-property' : ''
         const objSeparator = getTemplate(path.join(options2.templateDir, 'object-separator'))
 
-        options2.required = prop.required ? prop.required : false
+        options2.required = schema.required && schema.required.includes(name)
         const schemaShape = getSchemaShape(prop, module, options2)
 
         const type = getSchemaType(prop, module, options2)
@@ -389,7 +387,7 @@ const insertTupleMacros = (content, schema, module, title, options) => {
 
 const getPrimitiveType = (type, templateDir = 'types') => {
   const template = getTemplate(path.join(templateDir, type)) || getTemplate(path.join(templateDir, 'generic'))
-  return overrideRule === true ? (template || primitives[type]) : (primitives[type] || template)
+  return (primitives[type] || template)
 }
 
 const pickBestType = types => Array.isArray(types) ? types.find(t => t !== 'null') : types
@@ -427,7 +425,7 @@ const sanitize = (schema) => {
   return result
 }
 
-function getSchemaShape(schema = {}, module = {}, { templateDir = 'types', parent = '', property = '', required = true, parentLevel = 0, level = 0, summary, descriptions = true, destination, section, enums = true, skipTitleOnce = false, array = false, primitive = false } = {}) {
+function getSchemaShape(schema = {}, module = {}, { templateDir = 'types', parent = '', property = '', required = false, parentLevel = 0, level = 0, summary, descriptions = true, destination, section, enums = true, skipTitleOnce = false, array = false, primitive = false } = {}) {
   schema = sanitize(schema)
   state.destination = destination
   state.section = section
@@ -799,7 +797,6 @@ export default {
   setPrimitives,
   setConvertTuples,
   setAllocatedPrimitiveProxies,
-  setOverrideRule,
   getMethodSignatureParams,
   getMethodSignatureResult,
   getSchemaShape,
diff --git a/src/sdk/index.mjs b/src/sdk/index.mjs
index a465f84c..763b6c9e 100755
--- a/src/sdk/index.mjs
+++ b/src/sdk/index.mjs
@@ -70,7 +70,6 @@ const run = async ({
     additionalSchemaTemplates: config.additionalSchemaTemplates,
     additionalMethodTemplates: config.additionalMethodTemplates,
     excludeDeclarations: config.excludeDeclarations,
-    overrideRule: config.overrideRule,
     staticModuleNames: staticModuleNames,
     hideExcluded: true,
     aggregateFiles: config.aggregateFiles,