diff --git a/cache.go b/cache.go
index 4c826f5d7..044d85f3c 100644
--- a/cache.go
+++ b/cache.go
@@ -22,7 +22,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/pilosa/pilosa/internal"
 	"github.com/pilosa/pilosa/lru"
 )
 
@@ -318,22 +317,6 @@ type Pair struct {
 	Count uint64 `json:"count"`
 }
 
-func encodePair(p Pair) *internal.Pair {
-	return &internal.Pair{
-		ID:    p.ID,
-		Key:   p.Key,
-		Count: p.Count,
-	}
-}
-
-func decodePair(pb *internal.Pair) Pair {
-	return Pair{
-		ID:    pb.ID,
-		Key:   pb.Key,
-		Count: pb.Count,
-	}
-}
-
 // Pairs is a sortable slice of Pair objects.
 type Pairs []Pair
 
@@ -409,14 +392,6 @@ func (p Pairs) String() string {
 	return buf.String()
 }
 
-func decodePairs(a []*internal.Pair) []Pair {
-	other := make([]Pair, len(a))
-	for i := range a {
-		other[i] = decodePair(a[i])
-	}
-	return other
-}
-
 // uint64Slice represents a sortable slice of uint64 numbers.
 type uint64Slice []uint64
 
diff --git a/pilosa.go b/pilosa.go
index ebc2be438..9615e88b8 100644
--- a/pilosa.go
+++ b/pilosa.go
@@ -17,8 +17,6 @@ package pilosa
 import (
 	"errors"
 	"regexp"
-
-	"github.com/pilosa/pilosa/internal"
 )
 
 // System errors.
@@ -122,23 +120,6 @@ type ColumnAttrSet struct {
 	Attrs map[string]interface{} `json:"attrs,omitempty"`
 }
 
-// EncodeColumnAttrSets converts a into its internal representation.
-func EncodeColumnAttrSets(a []*ColumnAttrSet) []*internal.ColumnAttrSet {
-	other := make([]*internal.ColumnAttrSet, len(a))
-	for i := range a {
-		other[i] = EncodeColumnAttrSet(a[i])
-	}
-	return other
-}
-
-// EncodeColumnAttrSet converts set into its internal representation.
-func EncodeColumnAttrSet(set *ColumnAttrSet) *internal.ColumnAttrSet {
-	return &internal.ColumnAttrSet{
-		ID:    set.ID,
-		Attrs: encodeAttrs(set.Attrs),
-	}
-}
-
 // TimeFormat is the go-style time format used to parse string dates.
 const TimeFormat = "2006-01-02T15:04"