diff --git a/changelog/fragments/1735664420-remove-deprecated-path-install-cli-flag.yaml b/changelog/fragments/1735664420-remove-deprecated-path-install-cli-flag.yaml
new file mode 100644
index 00000000000..f0a3da1d2db
--- /dev/null
+++ b/changelog/fragments/1735664420-remove-deprecated-path-install-cli-flag.yaml
@@ -0,0 +1,30 @@
+# Kind can be one of:
+# - breaking-change: a change to previously-documented behavior
+# - deprecation: functionality that is being removed in a later release
+# - bug-fix: fixes a problem in a previous version
+# - enhancement: extends functionality but does not break or fix existing behavior
+# - feature: new functionality
+# - known-issue: problems that we are aware of in a given version
+# - security: impacts on the security of a product or a user’s deployment.
+# - upgrade: important information for someone upgrading from a prior version
+# - other: does not fit into any of the other categories
+kind: breaking-change
+
+# Change summary; a 80ish characters long description of the change.
+summary: Removing --path.install option
+
+# Long description; in case the summary is not enough to describe the change
+# this field accommodate a description without length limits.
+# NOTE: This field will be rendered only for breaking-change and known-issue kinds at the moment.
+#description:
+
+# Affected component; usually one of "elastic-agent", "fleet-server", "filebeat", "metricbeat", "auditbeat", "all", etc.
+component: "elastic-agent"
+# PR URL; optional; the PR number that added the changeset.
+# If not present is automatically filled by the tooling finding the PR where this changelog fragment has been added.
+# NOTE: the tooling supports backports, so it's able to fill the original PR number instead of the backport PR number.
+# Please provide it if you are adding a fragment for a different PR.
+pr: https://github.com/elastic/elastic-agent/pull/6461/files
+# Issue URL; optional; the GitHub issue related to this changeset (either closes or is part of).
+# If not present is automatically filled by the tooling with the issue linked to the PR number.
+issue: https://github.com/elastic/elastic-agent/issues/2489
diff --git a/internal/pkg/agent/application/paths/common.go b/internal/pkg/agent/application/paths/common.go
index da4d2af7d51..463f7ea4fdb 100644
--- a/internal/pkg/agent/application/paths/common.go
+++ b/internal/pkg/agent/application/paths/common.go
@@ -84,7 +84,6 @@ func init() {
 	fs.StringVar(&configFilePath, "config", DefaultConfigName, "Configuration file, relative to path.config")
 	fs.StringVar(&configFilePath, "c", DefaultConfigName, "Configuration file, relative to path.config")
 	fs.StringVar(&logsPath, "path.logs", logsPath, "Logs path contains Agent log output")
-	fs.StringVar(&installPath, "path.install", installPath, "DEPRECATED, setting this flag has no effect since v8.6.0")
 	fs.StringVar(&controlSocketPath, "path.socket", controlSocketPath, "Control protocol socket path for the Agent")
 
 	// enable user to download update artifacts to alternative place
@@ -158,7 +157,6 @@ func SetConfig(path string) {
 
 // ConfigFile returns the path to the configuration file.
 func ConfigFile() string {
-
 	return configFileWithDefaultOverride(DefaultConfigName)
 }
 
diff --git a/internal/pkg/agent/cmd/common.go b/internal/pkg/agent/cmd/common.go
index 6047191d563..059c144399d 100644
--- a/internal/pkg/agent/cmd/common.go
+++ b/internal/pkg/agent/cmd/common.go
@@ -67,7 +67,6 @@ func NewCommandWithArgs(args []string, streams *cli.IOStreams) *cobra.Command {
 	cmd.PersistentFlags().AddGoFlag(flag.CommandLine.Lookup("config"))
 	cmd.PersistentFlags().AddGoFlag(flag.CommandLine.Lookup("path.logs"))
 	cmd.PersistentFlags().AddGoFlag(flag.CommandLine.Lookup("path.downloads"))
-	cmd.PersistentFlags().AddGoFlag(flag.CommandLine.Lookup("path.install"))
 	cmd.PersistentFlags().AddGoFlag(flag.CommandLine.Lookup("path.socket"))
 
 	// logging flags
diff --git a/internal/pkg/agent/cmd/container.go b/internal/pkg/agent/cmd/container.go
index a983f4df3eb..84db4685a5b 100644
--- a/internal/pkg/agent/cmd/container.go
+++ b/internal/pkg/agent/cmd/container.go
@@ -417,9 +417,6 @@ func buildEnrollArgs(cfg setupConfig, token string, policyID string) ([]string,
 	if paths.Downloads() != "" {
 		args = append(args, "--path.downloads", paths.Downloads())
 	}
-	if paths.Install() != "" {
-		args = append(args, "--path.install", paths.Install())
-	}
 	if !paths.IsVersionHome() {
 		args = append(args, "--path.home.unversioned")
 	}
diff --git a/internal/pkg/agent/cmd/enroll_cmd.go b/internal/pkg/agent/cmd/enroll_cmd.go
index 91f652c9ef5..6c3df8e8998 100644
--- a/internal/pkg/agent/cmd/enroll_cmd.go
+++ b/internal/pkg/agent/cmd/enroll_cmd.go
@@ -663,9 +663,6 @@ func (c *enrollCmd) startAgent(ctx context.Context) (<-chan *os.ProcessState, er
 	if paths.Downloads() != "" {
 		args = append(args, "--path.downloads", paths.Downloads())
 	}
-	if paths.Install() != "" {
-		args = append(args, "--path.install", paths.Install())
-	}
 	if !paths.IsVersionHome() {
 		args = append(args, "--path.home.unversioned")
 	}