diff --git a/cmd/crowdsec-cli/main.go b/cmd/crowdsec-cli/main.go
index 9f80c70c5..07c3474df 100644
--- a/cmd/crowdsec-cli/main.go
+++ b/cmd/crowdsec-cli/main.go
@@ -93,7 +93,9 @@ API interaction:
 		Args:   cobra.ExactArgs(0),
 		Hidden: true,
 		Run: func(cmd *cobra.Command, args []string) {
-			doc.GenMarkdownTree(rootCmd, "./doc/")
+			if err := doc.GenMarkdownTree(rootCmd, "./doc/"); err != nil {
+				log.Fatalf("Failed to generate cobra doc")
+			}
 		},
 	}
 	rootCmd.AddCommand(cmdDocGen)
diff --git a/cmd/crowdsec/serve.go b/cmd/crowdsec/serve.go
index 61a07600e..cbdd8486a 100644
--- a/cmd/crowdsec/serve.go
+++ b/cmd/crowdsec/serve.go
@@ -69,7 +69,7 @@ func serveDaemon() error {
 	if d != nil {
 		return nil
 	}
-	defer daemonCTX.Release()
+	defer daemonCTX.Release() //nolint:errcheck
 	err = daemon.ServeSignals()
 	if err != nil {
 		return fmt.Errorf("serveDaemon error : %s", err.Error())
diff --git a/pkg/cwapi/auth.go b/pkg/cwapi/auth.go
index ee9a49f17..a08fe1358 100644
--- a/pkg/cwapi/auth.go
+++ b/pkg/cwapi/auth.go
@@ -113,7 +113,7 @@ func (ctx *ApiCtx) Init(cfg string, profile string) error {
 		return err
 	}
 	//start the background go-routine
-	go ctx.pushLoop()
+	go ctx.pushLoop() //nolint:errcheck
 	return nil
 }
 
diff --git a/pkg/leakybucket/buckets_test.go b/pkg/leakybucket/buckets_test.go
index 1787fe818..3353780d7 100644
--- a/pkg/leakybucket/buckets_test.go
+++ b/pkg/leakybucket/buckets_test.go
@@ -216,7 +216,6 @@ POLL_AGAIN:
 					continue
 				} else {
 					log.Infof("(scenario) %s == %s", out.Overflow.Scenario, expected.Overflow.Scenario)
-					valid = true
 				}
 				//Events_count
 				if out.Overflow.Events_count != expected.Overflow.Events_count {
@@ -225,7 +224,6 @@ POLL_AGAIN:
 					continue
 				} else {
 					log.Infof("(Events_count) %d == %d", out.Overflow.Events_count, expected.Overflow.Events_count)
-					valid = true
 				}
 				//Source_ip
 				if out.Overflow.Source_ip != expected.Overflow.Source_ip {
@@ -234,7 +232,6 @@ POLL_AGAIN:
 					continue
 				} else {
 					log.Infof("(Source_ip) %s == %s", out.Overflow.Source_ip, expected.Overflow.Source_ip)
-					valid = true
 				}
 
 				//CheckFailed:
diff --git a/pkg/parser/node.go b/pkg/parser/node.go
index 1c7d2127c..c96a40bd8 100644
--- a/pkg/parser/node.go
+++ b/pkg/parser/node.go
@@ -108,7 +108,7 @@ func (n *Node) validate(pctx *UnixParserCtx) error {
 }
 
 func (n *Node) process(p *types.Event, ctx UnixParserCtx) (bool, error) {
-	var NodeState bool = true
+	var NodeState bool
 	clog := n.logger
 
 	clog.Debugf("Event entering node")
@@ -124,7 +124,6 @@ func (n *Node) process(p *types.Event, ctx UnixParserCtx) (bool, error) {
 		case bool:
 			/* filter returned false, don't process Node */
 			if !out {
-				NodeState = false
 				clog.Debugf("eval(FALSE) '%s'", n.Filter)
 				clog.Debugf("Event leaving node : ko")
 				return false, nil
@@ -132,7 +131,6 @@ func (n *Node) process(p *types.Event, ctx UnixParserCtx) (bool, error) {
 		default:
 			clog.Warningf("Expr '%s' returned non-bool, abort : %T", n.Filter, output)
 			clog.Debugf("Event leaving node : ko")
-			NodeState = false
 			return false, nil
 		}
 		NodeState = true
@@ -424,10 +422,7 @@ func (n *Node) compile(pctx *UnixParserCtx) error {
 			err = n.SuccessNodes[idx].compile(pctx)
 			if err != nil {
 				return err
-			} else {
-				//n.logger.Debugf("Leaf compilation suceeded: %v\n", n.SuccessNodes[idx])
 			}
-			//set child node to parent stage
 		}
 		valid = true
 	}
diff --git a/pkg/parser/runtime.go b/pkg/parser/runtime.go
index 702356120..b255f21c0 100644
--- a/pkg/parser/runtime.go
+++ b/pkg/parser/runtime.go
@@ -228,8 +228,8 @@ func stageidx(stage string, stages []string) int {
 }
 
 func /*(u types.UnixParser)*/ Parse(ctx UnixParserCtx, xp types.Event, nodes []Node) (types.Event, error) {
-	var event types.Event
-	event = xp
+	var event types.Event = xp
+
 	/* the stage is undefined, probably line is freshly acquired, set to first stage !*/
 	if event.Stage == "" && len(ctx.Stages) > 0 {
 		event.Stage = ctx.Stages[0]
diff --git a/plugins/backend/sqlite.go b/plugins/backend/sqlite.go
index db711aeec..7db8e2aa2 100644
--- a/plugins/backend/sqlite.go
+++ b/plugins/backend/sqlite.go
@@ -8,6 +8,7 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
+//nolint:unused // pluginDB is the interface for sqlite output plugin
 type pluginDB struct {
 	CTX *sqlite.Context
 }
@@ -65,6 +66,7 @@ func (p *pluginDB) ReadAT(timeAT time.Time) ([]map[string]string, error) {
 	return ret, nil
 }
 
+//nolint:unused // New is used by the plugin system
 func New() interface{} {
 	return &pluginDB{}
 }