diff --git a/src/bin/config_parser/src/source_generator/json.go b/src/bin/config_parser/src/source_generator/json.go
index 22019dd..f51c975 100644
--- a/src/bin/config_parser/src/source_generator/json.go
+++ b/src/bin/config_parser/src/source_generator/json.go
@@ -11,9 +11,7 @@
 	"privacy"
 )
 
-type jsonOutputter struct {
-	errorCalculator *privacy.ErrorCalculator
-}
+type jsonOutputter struct{}
 
 // JSON export structure
 // go tags set the field name when exported to JSON data.
@@ -48,27 +46,19 @@
 	Reports             []jsonReport `json:"reports"`
 }
 
-type jsonError map[string]jsonErrorEstimate
-
 type jsonReport struct {
-	Name                                 string    `json:"name"`
-	Id                                   uint32    `json:"id"`
-	ReportType                           string    `json:"report_type"`
-	ReportTypeId                         int32     `json:"report_type_id"`
-	PrivacyLevel                         string    `json:"privacy_level"`
-	ErrorEstimates                       jsonError `json:"error_estimates"`
-	EventVectorBufferMax                 uint64    `json:"event_vector_buffer_max"`
-	StringBufferMax                      uint32    `json:"string_buffer_max"`
-	SystemProfileField                   []string  `json:"system_profile_field"`
-	LocalAggregationPeriod               int32     `json:"local_aggregation_period"`
-	LocalAggregationProcedure            string    `json:"local_aggregation_procedure"`
-	LocalAggregationProcedurePercentileN uint32    `json:"local_aggregation_procedure_percentile_n"`
-	ExperimentId                         []int64   `json:"experiment_id"`
-}
-
-type jsonErrorEstimate struct {
-	Epsilon   float64            `json:"epsilon"`
-	Estimates map[uint64]float64 `json:"estimates"`
+	Name                                 string   `json:"name"`
+	Id                                   uint32   `json:"id"`
+	ReportType                           string   `json:"report_type"`
+	ReportTypeId                         int32    `json:"report_type_id"`
+	PrivacyLevel                         string   `json:"privacy_level"`
+	EventVectorBufferMax                 uint64   `json:"event_vector_buffer_max"`
+	StringBufferMax                      uint32   `json:"string_buffer_max"`
+	SystemProfileField                   []string `json:"system_profile_field"`
+	LocalAggregationPeriod               int32    `json:"local_aggregation_period"`
+	LocalAggregationProcedure            string   `json:"local_aggregation_procedure"`
+	LocalAggregationProcedurePercentileN uint32   `json:"local_aggregation_procedure_percentile_n"`
+	ExperimentId                         []int64  `json:"experiment_id"`
 }
 
 // Generates a list of evenly distributed integer values
@@ -82,48 +72,6 @@
 	return elements
 }
 
-func (jo *jsonOutputter) makeErrorEstimates(report *config.ReportDefinition, metric *config.MetricDefinition, populations []uint64) (estimate jsonError) {
-	if jo.errorCalculator == nil {
-		// Error calculator not provided; error estimation skipped.
-		return nil
-	}
-
-	var estimates = jsonError{}
-	for l, n := range config.ReportDefinition_PrivacyLevel_name {
-		if n == "PRIVACY_LEVEL_UNKNOWN" || n == "NO_ADDED_PRIVACY" {
-			continue
-		}
-		level := config.ReportDefinition_PrivacyLevel(l)
-		epsilon := jo.errorCalculator.ParamsCalc.Constants.EpsilonForPrivacyLevel[level]
-
-		var err error
-		values := make(map[uint64]float64, len(populations))
-		for _, population := range populations {
-			// TODO(b/228513924): Support minDenominatorEstimates. Currently any report type requiring
-			// a denominator estimate will return an error and not be included.
-			var errorValue float64
-			errorValue, err = jo.errorCalculator.Estimate(metric, report, epsilon, population, 0)
-			if err != nil {
-				break
-			}
-			values[population] = errorValue
-		}
-		if err != nil {
-			// Error estimates must compute successfully for every population value otherwise the
-			// estimates for this epsilon are not included.
-			continue
-		}
-		estimates[level.String()] = jsonErrorEstimate{
-			Epsilon:   epsilon,
-			Estimates: values,
-		}
-	}
-	if len(estimates) == 0 {
-		return nil
-	}
-	return estimates
-}
-
 // JSON struct constructors
 func (jo *jsonOutputter) makeJSONReport(report *config.ReportDefinition, metric *config.MetricDefinition) jsonReport {
 	if report == nil {
@@ -135,16 +83,12 @@
 		systemProfileField = append(systemProfileField, f.String())
 	}
 
-	populations := linspace(10000, 10000000, 50)
-	estimates := jo.makeErrorEstimates(report, metric, populations)
-
 	return jsonReport{
 		Name:                                 report.GetReportName(),
 		Id:                                   report.GetId(),
 		ReportType:                           report.GetReportType().String(),
 		ReportTypeId:                         int32(report.GetReportType()),
 		PrivacyLevel:                         report.GetPrivacyLevel().String(),
-		ErrorEstimates:                       estimates,
 		EventVectorBufferMax:                 report.GetEventVectorBufferMax(),
 		StringBufferMax:                      report.GetStringBufferMax(),
 		SystemProfileField:                   systemProfileField,
@@ -261,9 +205,8 @@
 }
 
 // Returns an output formatter for JSON
-//
-// privacyParamsPath is the string path of the privacy params file to be used for error estimation.
-func JSONOutputFactory(errorCalculator *privacy.ErrorCalculator) OutputFormatter {
-	jo := jsonOutputter{errorCalculator}
+// privacy.ErrorCalculator supports old code that still passes this parameter.
+func JSONOutputFactory(_ ...*privacy.ErrorCalculator) OutputFormatter {
+	jo := jsonOutputter{}
 	return jo.JSONOutput
 }
diff --git a/src/bin/config_parser/src/source_generator/json_test.go b/src/bin/config_parser/src/source_generator/json_test.go
index 8d23dd5..ee476aa 100644
--- a/src/bin/config_parser/src/source_generator/json_test.go
+++ b/src/bin/config_parser/src/source_generator/json_test.go
@@ -8,7 +8,6 @@
 
 import (
 	"config"
-	"privacy"
 	"reflect"
 	"testing"
 )
@@ -29,12 +28,7 @@
 }
 
 func constructTestJsonOutputter(t *testing.T) jsonOutputter {
-	paramsCalc, err := privacy.NewPrivacyEncodingParamsCalculatorForTesting(testParamRecords)
-	if err != nil {
-		t.Errorf("Failed to create error calculator.")
-	}
-	errorCalc := privacy.NewErrorCalculator(*paramsCalc)
-	return jsonOutputter{errorCalc}
+	return jsonOutputter{}
 }
 
 func TestConstructorsHandleNil(t *testing.T) {
@@ -61,25 +55,6 @@
 	}
 }
 
-func TestMakeErrorEstimates(t *testing.T) {
-	jo := constructTestJsonOutputter(t)
-	r := config.ReportDefinition{
-		ReportType:                config.ReportDefinition_UNIQUE_DEVICE_COUNTS,
-		PrivacyLevel:              config.ReportDefinition_LOW_PRIVACY,
-		LocalAggregationProcedure: config.ReportDefinition_SELECT_FIRST,
-	}
-	m := config.MetricDefinition{
-		MetricType: config.MetricDefinition_OCCURRENCE,
-	}
-
-	want := jsonError(nil)
-
-	got := jo.makeErrorEstimates(&r, &m, []uint64{10000, 100000, 1000000})
-	if reflect.DeepEqual(want, got) == false {
-		t.Errorf("makeJSONReport(%v)\n\n GOT: %v\nWANT: %v", r, got, want)
-	}
-}
-
 func TestMakeJSONReport(t *testing.T) {
 	jo := constructTestJsonOutputter(t)
 	name := "test_name"
@@ -115,7 +90,6 @@
 		ReportType:                           "FLEETWIDE_OCCURRENCE_COUNTS",
 		ReportTypeId:                         int32(config.ReportDefinition_FLEETWIDE_OCCURRENCE_COUNTS),
 		PrivacyLevel:                         "LOW_PRIVACY",
-		ErrorEstimates:                       nil,
 		EventVectorBufferMax:                 eventVectorBufferMax,
 		StringBufferMax:                      stringBufferMax,
 		SystemProfileField:                   []string{"OS", "ARCH"},
diff --git a/src/bin/config_parser/src/source_generator/source_generator_test.go b/src/bin/config_parser/src/source_generator/source_generator_test.go
index 7b2ef48..f87422d 100644
--- a/src/bin/config_parser/src/source_generator/source_generator_test.go
+++ b/src/bin/config_parser/src/source_generator/source_generator_test.go
@@ -207,7 +207,7 @@
 
 	{"golden_with_name_maps_filtered.cb.h", CppOutputFactory("config", []string{}, newOptionsWithNameMaps("300"))},
 
-	{"golden.cb.json", JSONOutputFactory(nil)},
+	{"golden.cb.json", JSONOutputFactory()},
 }
 
 func TestPrintConfig(t *testing.T) {
diff --git a/src/bin/config_parser/src/source_generator/source_generator_test_files/golden.cb.json b/src/bin/config_parser/src/source_generator/source_generator_test_files/golden.cb.json
index 0c91f57..a939997 100644
--- a/src/bin/config_parser/src/source_generator/source_generator_test_files/golden.cb.json
+++ b/src/bin/config_parser/src/source_generator/source_generator_test_files/golden.cb.json
@@ -27,7 +27,6 @@
                   "report_type": "FLEETWIDE_OCCURRENCE_COUNTS",
                   "report_type_id": 11,
                   "privacy_level": "PRIVACY_LEVEL_UNKNOWN",
-                  "error_estimates": null,
                   "event_vector_buffer_max": 0,
                   "string_buffer_max": 0,
                   "system_profile_field": null,
@@ -45,7 +44,6 @@
                   "report_type": "HOURLY_VALUE_NUMERIC_STATS",
                   "report_type_id": 18,
                   "privacy_level": "PRIVACY_LEVEL_UNKNOWN",
-                  "error_estimates": null,
                   "event_vector_buffer_max": 0,
                   "string_buffer_max": 0,
                   "system_profile_field": null,
@@ -78,7 +76,6 @@
                   "report_type": "FLEETWIDE_OCCURRENCE_COUNTS",
                   "report_type_id": 11,
                   "privacy_level": "PRIVACY_LEVEL_UNKNOWN",
-                  "error_estimates": null,
                   "event_vector_buffer_max": 0,
                   "string_buffer_max": 0,
                   "system_profile_field": null,
@@ -115,7 +112,6 @@
                   "report_type": "FLEETWIDE_OCCURRENCE_COUNTS",
                   "report_type_id": 11,
                   "privacy_level": "LOW_PRIVACY",
-                  "error_estimates": null,
                   "event_vector_buffer_max": 0,
                   "string_buffer_max": 0,
                   "system_profile_field": null,
@@ -157,7 +153,6 @@
                   "report_type": "REPORT_TYPE_UNSET",
                   "report_type_id": 0,
                   "privacy_level": "PRIVACY_LEVEL_UNKNOWN",
-                  "error_estimates": null,
                   "event_vector_buffer_max": 0,
                   "string_buffer_max": 0,
                   "system_profile_field": null,
diff --git a/src/bin/config_parser/src/source_generator/source_outputter.go b/src/bin/config_parser/src/source_generator/source_outputter.go
index dd8f2fd..8da8866 100644
--- a/src/bin/config_parser/src/source_generator/source_outputter.go
+++ b/src/bin/config_parser/src/source_generator/source_outputter.go
@@ -465,7 +465,7 @@
 	case "java":
 		return JavaOutputFactory(varName, namespaceList, options, outFilename), nil
 	case "json":
-		return JSONOutputFactory(errorCalculator), nil
+		return JSONOutputFactory(), nil
 	case "rust":
 		return RustOutputFactory(varName, namespaceList, options), nil
 	default: