diff --git a/install.sh b/install.sh
index 195aad5..0be9fe5 100755
--- a/install.sh
+++ b/install.sh
@@ -272,24 +272,28 @@ EOF
 
 # Remover o include do DNSBlock dos arquivos de configuração
 remover_include_unbound() {
-    local include_pattern='include:[[:space:]]*"/opt/dnsblock/unbound.conf"'
-    local comment_pattern='#[[:space:]]*DNSBlock'
-    
     # Remover do arquivo principal
     if [ -f "$UNBOUND_MAIN_CONF" ]; then
-        sed -i "/$include_pattern/d" "$UNBOUND_MAIN_CONF" 2>/dev/null || true
-        sed -i "/$comment_pattern/d" "$UNBOUND_MAIN_CONF" 2>/dev/null || true
-        # Remover linhas em branco duplicadas
-        sed -i '/^$/N;/^\n$/d' "$UNBOUND_MAIN_CONF" 2>/dev/null || true
+        # Criar arquivo temporário sem as linhas do DNSBlock
+        grep -v '/opt/dnsblock' "$UNBOUND_MAIN_CONF" | grep -v '^# DNSBlock' > "${UNBOUND_MAIN_CONF}.tmp" 2>/dev/null
+        if [ -s "${UNBOUND_MAIN_CONF}.tmp" ]; then
+            mv "${UNBOUND_MAIN_CONF}.tmp" "$UNBOUND_MAIN_CONF"
+        else
+            rm -f "${UNBOUND_MAIN_CONF}.tmp"
+        fi
     fi
     
     # Remover dos arquivos do diretório conf.d
     if [ -d "$UNBOUND_CONF_DIR" ]; then
         for conf in "$UNBOUND_CONF_DIR"/*.conf; do
             if [ -f "$conf" ]; then
-                sed -i "/$include_pattern/d" "$conf" 2>/dev/null || true
-                sed -i "/$comment_pattern/d" "$conf" 2>/dev/null || true
-                sed -i '/^$/N;/^\n$/d' "$conf" 2>/dev/null || true
+                # Criar arquivo temporário sem as linhas do DNSBlock
+                grep -v '/opt/dnsblock' "$conf" | grep -v '^# DNSBlock' > "${conf}.tmp" 2>/dev/null
+                if [ -s "${conf}.tmp" ]; then
+                    mv "${conf}.tmp" "$conf"
+                else
+                    rm -f "${conf}.tmp"
+                fi
             fi
         done
     fi