1 files changed, 0 insertions, 44 deletions
diff --git a/pkg/subsystem/entity/entities.go b/pkg/subsystem/entity/entities.go
deleted file mode 100644
index e2b29a7f3..000000000
--- a/pkg/subsystem/entity/entities.go
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright 2023 syzkaller project authors. All rights reserved.
-// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
-
-package entity
-
-type Subsystem struct {
-	Name        string
-	PathRules   []PathRule
-	Syscalls    []string
-	Lists       []string
-	Maintainers []string
-	Parents     []*Subsystem
-}
-
-// ReachableParents returns the set of subsystems reachable from the current one.
-func (subsystem *Subsystem) ReachableParents() map[*Subsystem]struct{} {
-	ret := make(map[*Subsystem]struct{})
-	var dfs func(node *Subsystem)
-	dfs = func(node *Subsystem) {
-		if _, visited := ret[node]; visited {
-			return
-		}
-		for _, p := range node.Parents {
-			if p == subsystem {
-				panic("loop in the parents relation")
-			}
-			ret[p] = struct{}{}
-			dfs(p)
-		}
-	}
-	dfs(subsystem)
-	return ret
-}
-
-// PathRule describes the part of the directory tree belonging to a single subsystem.
-type PathRule struct {
-	IncludeRegexp string
-	// ExcludeRegexps are tested before IncludeRegexp.
-	ExcludeRegexp string
-}
-
-func (pr *PathRule) IsEmpty() bool {
-	return pr.IncludeRegexp == "" && pr.ExcludeRegexp == ""
-}