diff --git a/pkg/application/arch/tequila/incl_viz.go b/pkg/application/arch/tequila/incl_viz.go
index 6f6d1c82ff547bea6287ebb5e11d690e0cb8c353..30e995a402be6dc4611296eceb5cf7ce7a664936 100644
--- a/pkg/application/arch/tequila/incl_viz.go
+++ b/pkg/application/arch/tequila/incl_viz.go
@@ -2,7 +2,6 @@ package tequila
 
 import (
 	"github.com/awalterschulze/gographviz"
-	"github.com/phodal/coca/pkg/application/arch/tequila/trie"
 	"sort"
 	"strconv"
 	"strings"
@@ -159,7 +158,7 @@ func (fullGraph *FullGraph) ToMapDot(include func(string) bool) *gographviz.Grap
 	return dot
 }
 
-func (fullGraph *FullGraph) MapToGraph(trie *trie.PathTrie) *gographviz.Graph {
+func (fullGraph *FullGraph) MapToGraph(trie *PathTrie) *gographviz.Graph {
 	graph := gographviz.NewGraph()
 	_ = graph.SetName("G")
 
@@ -187,7 +186,7 @@ func (fullGraph *FullGraph) MapToGraph(trie *trie.PathTrie) *gographviz.Graph {
 	return graph
 }
 
-func (fullGraph *FullGraph) buildGraphNode(subgraph string, current *trie.PathTrie, graph *gographviz.Graph, nodes map[string]string, s string) {
+func (fullGraph *FullGraph) buildGraphNode(subgraph string, current *PathTrie, graph *gographviz.Graph, nodes map[string]string, s string) {
 	if s != "" {
 		s = s + "." + current.Value
 	} else {
@@ -209,8 +208,8 @@ func (fullGraph *FullGraph) buildGraphNode(subgraph string, current *trie.PathTr
 	}
 }
 
-func (fullGraph *FullGraph) BuildMapTree(include func(key string) bool) *trie.PathTrie {
-	pkgTrie := trie.NewPathTrie()
+func (fullGraph *FullGraph) BuildMapTree(include func(key string) bool) *PathTrie {
+	pkgTrie := NewPathTrie()
 	for nodeKey := range fullGraph.NodeList {
 		if include(nodeKey) || include(fullGraph.NodeList[nodeKey]) {
 			pkgTrie.Put(strings.ReplaceAll(nodeKey, ".", "/"))
diff --git a/pkg/application/arch/tequila/incl_viz_test.go b/pkg/application/arch/tequila/incl_viz_test.go
index 32404a46f3be6a53529ec6d723e83c405c912341..551f6b6cdde806429c31537558e8af810834fe54 100644
--- a/pkg/application/arch/tequila/incl_viz_test.go
+++ b/pkg/application/arch/tequila/incl_viz_test.go
@@ -3,11 +3,10 @@ package tequila
 import (
 	. "github.com/onsi/gomega"
 	"github.com/phodal/coca/cmd/cmd_util"
-	"github.com/phodal/coca/pkg/application/arch/tequila/trie"
 	"testing"
 )
 
-func createBasicMap() (*trie.PathTrie, *FullGraph) {
+func createBasicMap() (*PathTrie, *FullGraph) {
 	fullGraph, nodeFilter := createGraph()
 
 	node := fullGraph.BuildMapTree(nodeFilter)
diff --git a/pkg/application/arch/tequila/trie/path_trie.go b/pkg/application/arch/tequila/path_trie.go
similarity index 72%
rename from pkg/application/arch/tequila/trie/path_trie.go
rename to pkg/application/arch/tequila/path_trie.go
index b10d77386e84888136bf6afe1c883d346f25d618..40c64411449caaba698d41d7bb0057058c8e4fe0 100644
--- a/pkg/application/arch/tequila/trie/path_trie.go
+++ b/pkg/application/arch/tequila/path_trie.go
@@ -21,40 +21,35 @@
 //OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 //THE SOFTWARE.
 
-package trie
+package tequila
 
 import "strings"
 
+type StringSegmenter func(key string, start int) (segment string, nextIndex int)
+
+func PathSegmenter(path string, start int) (segment string, next int) {
+	if len(path) == 0 || start < 0 || start > len(path)-1 {
+		return "", -1
+	}
+	end := strings.IndexRune(path[start+1:], '/') // next '/' after 0th rune
+	if end == -1 {
+		return path[start:], -1
+	}
+	return path[start : start+end+1], start + end + 1
+}
+
 type PathTrie struct {
-	segmenter StringSegmenter // key segmenter, must not cause heap allocs
+	segmenter StringSegmenter
 	Value     string
 	Children  map[string]*PathTrie
 }
 
-// PathTrieConfig for building a path trie with different segmenter
-type PathTrieConfig struct {
-	Segmenter StringSegmenter
-}
-
-// NewPathTrie allocates and returns a new *PathTrie.
 func NewPathTrie() *PathTrie {
 	return &PathTrie{
 		segmenter: PathSegmenter,
 	}
 }
 
-// NewPathTrieWithConfig allocates and returns a new *PathTrie with the given *PathTrieConfig
-func NewPathTrieWithConfig(config *PathTrieConfig) *PathTrie {
-	segmenter := PathSegmenter
-	if config != nil && config.Segmenter != nil {
-		segmenter = config.Segmenter
-	}
-
-	return &PathTrie{
-		segmenter: segmenter,
-	}
-}
-
 func (trie *PathTrie) Put(key string) {
 	node := trie
 	for part, i := trie.segmenter(key, 0); part != ""; part, i = trie.segmenter(key, i) {
@@ -70,7 +65,4 @@ func (trie *PathTrie) Put(key string) {
 		child.Value = strings.ReplaceAll(part, "/", "")
 		node = child
 	}
-	// does node have an existing Value?
-	//isNewVal := node.Value == nil
-	//return isNewVal
 }
diff --git a/pkg/application/arch/tequila/trie/common.go b/pkg/application/arch/tequila/trie/common.go
deleted file mode 100644
index d0715043862484a5401b211fb754a995c2a17012..0000000000000000000000000000000000000000
--- a/pkg/application/arch/tequila/trie/common.go
+++ /dev/null
@@ -1,53 +0,0 @@
-// https://github.com/dghubble/trie
-//The MIT License (MIT)
-//
-//Copyright (c) 2014 Dalton Hubble
-//
-//Permission is hereby granted, free of charge, to any person obtaining a copy
-//of this software and associated documentation files (the "Software"), to deal
-//in the Software without restriction, including without limitation the rights
-//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//copies of the Software, and to permit persons to whom the Software is
-//furnished to do so, subject to the following conditions:
-//
-//The above copyright notice and this permission notice shall be included in
-//all copies or substantial portions of the Software.
-//
-//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//THE SOFTWARE.
-
-package trie
-
-import (
-	"strings"
-)
-
-// WalkFunc defines some action to take on the given key and Value during
-// a Trie Walk. Returning a non-nil error will terminate the Walk.
-type WalkFunc func(key string, value interface{}) error
-
-// StringSegmenter takes a string key with a starting index and returns
-// the first segment after the start and the ending index. When the end is
-// reached, the returned nextIndex should be -1.
-// Implementations should NOT allocate heap memory as Trie Segmenters are
-// called upon Gets. See PathSegmenter.
-type StringSegmenter func(key string, start int) (segment string, nextIndex int)
-
-// PathSegmenter segments string key paths by slash separators. For example,
-// "/a/b/c" -> ("/a", 2), ("/b", 4), ("/c", -1) in successive calls. It does
-// not allocate any heap memory.
-func PathSegmenter(path string, start int) (segment string, next int) {
-	if len(path) == 0 || start < 0 || start > len(path)-1 {
-		return "", -1
-	}
-	end := strings.IndexRune(path[start+1:], '/') // next '/' after 0th rune
-	if end == -1 {
-		return path[start:], -1
-	}
-	return path[start : start+end+1], start + end + 1
-}