diff --git a/historyarchive/http_archive.go b/historyarchive/http_archive.go
index e1f5f8f49f..2e00675f0f 100644
--- a/historyarchive/http_archive.go
+++ b/historyarchive/http_archive.go
@@ -31,7 +31,7 @@ func checkResp(r *http.Response) error {
 }
 
 func (b *HttpArchiveBackend) GetFile(pth string) (io.ReadCloser, error) {
-	var derived url.URL = b.base
+	derived := b.base
 	derived.Path = path.Join(derived.Path, pth)
 	req, err := http.NewRequest("GET", derived.String(), nil)
 	if err != nil {
@@ -58,7 +58,7 @@ func (b *HttpArchiveBackend) GetFile(pth string) (io.ReadCloser, error) {
 }
 
 func (b *HttpArchiveBackend) Head(pth string) (*http.Response, error) {
-	var derived url.URL = b.base
+	derived := b.base
 	derived.Path = path.Join(derived.Path, pth)
 	req, err := http.NewRequest("HEAD", derived.String(), nil)
 	if err != nil {
diff --git a/ingest/ledgerbackend/stellar_core_runner.go b/ingest/ledgerbackend/stellar_core_runner.go
index b5b59b9b30..876caf1355 100644
--- a/ingest/ledgerbackend/stellar_core_runner.go
+++ b/ingest/ledgerbackend/stellar_core_runner.go
@@ -374,7 +374,7 @@ func (r *stellarCoreRunner) handleExit() {
 
 	// Pattern recommended in:
 	// https://github.com/golang/go/blob/cacac8bdc5c93e7bc71df71981fdf32dded017bf/src/cmd/go/script_test.go#L1091-L1098
-	var interrupt os.Signal = os.Interrupt
+	interrupt := os.Interrupt
 	if runtime.GOOS == "windows" {
 		// Per https://golang.org/pkg/os/#Signal, “Interrupt is not implemented on
 		// Windows; using it with os.Process.Signal will return an error.”
diff --git a/services/horizon/internal/txsub/system.go b/services/horizon/internal/txsub/system.go
index 9b0557d095..70d0a67aa5 100644
--- a/services/horizon/internal/txsub/system.go
+++ b/services/horizon/internal/txsub/system.go
@@ -341,7 +341,7 @@ func (sys *System) Tick(ctx context.Context) {
 
 		// In Tick we only check txs in a queue so those which did not have results before Tick
 		// so we check for them in the last 5 mins of ledgers: 60.
-		var sinceLedgerSeq int32 = int32(latestLedger) - 60
+		sinceLedgerSeq := int32(latestLedger) - 60
 		if sinceLedgerSeq < 0 {
 			sinceLedgerSeq = 0
 		}
diff --git a/tools/archive-reader/archive_reader.go b/tools/archive-reader/archive_reader.go
index 06991f9c68..0639268696 100644
--- a/tools/archive-reader/archive_reader.go
+++ b/tools/archive-reader/archive_reader.go
@@ -14,7 +14,7 @@ import (
 func main() {
 	ledgerPtr := flag.Uint64("ledger", 0, "`ledger to analyze` (tip: has to be of the form `ledger = 64*n - 1`, where n is > 0)")
 	flag.Parse()
-	var seqNum uint32 = uint32(*ledgerPtr)
+	seqNum := uint32(*ledgerPtr)
 
 	if seqNum == 0 {
 		flag.Usage()