diff --git a/pkg/output/record_writer_csv.go b/pkg/output/record_writer_csv.go
index ffd76f2ec..ca51cd325 100644
--- a/pkg/output/record_writer_csv.go
+++ b/pkg/output/record_writer_csv.go
@@ -14,7 +14,6 @@ import (
 
 type RecordWriterCSV struct {
 	writerOptions     *cli.TWriterOptions
-	ofs0              byte // Go's CSV library only lets its 'Comma' be a single character
 	csvWriter         *csv.Writer
 	needToPrintHeader bool
 	firstRecordKeys   []string
diff --git a/pkg/output/record_writer_markdown.go b/pkg/output/record_writer_markdown.go
index 64bc8bb97..b3b96089a 100644
--- a/pkg/output/record_writer_markdown.go
+++ b/pkg/output/record_writer_markdown.go
@@ -12,7 +12,6 @@ import (
 
 type RecordWriterMarkdown struct {
 	writerOptions *cli.TWriterOptions
-	ors           string
 
 	numHeaderLinesOutput int
 	lastJoinedHeader     string
diff --git a/pkg/transformers/fill_down.go b/pkg/transformers/fill_down.go
index 55acbb3c3..cf779e336 100644
--- a/pkg/transformers/fill_down.go
+++ b/pkg/transformers/fill_down.go
@@ -116,7 +116,6 @@ func transformerFillDownParseCLI(
 type TransformerFillDown struct {
 	// input
 	fillDownFieldNames []string
-	doAll              bool
 	onlyIfAbsent       bool
 
 	// state
diff --git a/pkg/transformers/step.go b/pkg/transformers/step.go
index fcf5d0eee..e003aaf3f 100644
--- a/pkg/transformers/step.go
+++ b/pkg/transformers/step.go
@@ -260,7 +260,6 @@ type TransformerStep struct {
 	// STATE
 
 	// Scratch space used per-record
-	valueFieldValues []mlrval.Mlrval
 	// Map from group-by field names to value-field names to stepper name to stepper object.  See
 	// the Transform method below for more details.
 	groups map[string]map[string]map[string]tStepper