diff --git a/internal/hostagent/agent.go b/internal/hostagent/agent.go
index def8bbb..b67d413 100644
--- a/internal/hostagent/agent.go
+++ b/internal/hostagent/agent.go
@@ -325,15 +325,6 @@ func normalisePlatform(platform string) string {
 	}
 }
 
-func isLoopback(flags []string) bool {
-	for _, flag := range flags {
-		if strings.EqualFold(flag, "loopback") {
-			return true
-		}
-	}
-	return false
-}
-
 // collectTemperatures attempts to collect temperature data from the local system.
 // Returns an empty Sensors struct if collection fails (best-effort).
 func (a *Agent) collectTemperatures(ctx context.Context) agentshost.Sensors {
diff --git a/internal/hostagent/agent_test.go b/internal/hostagent/agent_test.go
index d3ea90e..5733c89 100644
--- a/internal/hostagent/agent_test.go
+++ b/internal/hostagent/agent_test.go
@@ -72,65 +72,3 @@ func TestNormalisePlatform(t *testing.T) {
 	}
 }
 
-func TestIsLoopback(t *testing.T) {
-	tests := []struct {
-		name     string
-		flags    []string
-		expected bool
-	}{
-		{
-			name:     "loopback lowercase",
-			flags:    []string{"up", "loopback"},
-			expected: true,
-		},
-		{
-			name:     "LOOPBACK uppercase",
-			flags:    []string{"up", "LOOPBACK"},
-			expected: true,
-		},
-		{
-			name:     "Loopback mixed case",
-			flags:    []string{"up", "Loopback"},
-			expected: true,
-		},
-		{
-			name:     "loopback only flag",
-			flags:    []string{"loopback"},
-			expected: true,
-		},
-		{
-			name:     "no loopback flag",
-			flags:    []string{"up", "broadcast", "running"},
-			expected: false,
-		},
-		{
-			name:     "empty flags",
-			flags:    []string{},
-			expected: false,
-		},
-		{
-			name:     "nil flags",
-			flags:    nil,
-			expected: false,
-		},
-		{
-			name:     "loopback first",
-			flags:    []string{"loopback", "up"},
-			expected: true,
-		},
-		{
-			name:     "loopback in middle",
-			flags:    []string{"up", "loopback", "running"},
-			expected: true,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			result := isLoopback(tt.flags)
-			if result != tt.expected {
-				t.Errorf("isLoopback(%v) = %v, want %v", tt.flags, result, tt.expected)
-			}
-		})
-	}
-}