diff --git a/cli/input/readpass_unix.go b/cli/input/readpass_unix.go
index 1a0021e44..c6f5f0da4 100644
--- a/cli/input/readpass_unix.go
+++ b/cli/input/readpass_unix.go
@@ -1,5 +1,4 @@
 //go:build !windows
-// +build !windows
 
 package input
 
diff --git a/cli/input/readpass_windows.go b/cli/input/readpass_windows.go
index b9782c310..1d3ed20d1 100644
--- a/cli/input/readpass_windows.go
+++ b/cli/input/readpass_windows.go
@@ -1,5 +1,4 @@
 //go:build windows
-// +build windows
 
 package input
 
diff --git a/cli/server/signals_unix.go b/cli/server/signals_unix.go
index 1f63dfaad..ef9135b3a 100644
--- a/cli/server/signals_unix.go
+++ b/cli/server/signals_unix.go
@@ -1,5 +1,4 @@
 //go:build !windows
-// +build !windows
 
 package server
 
diff --git a/cli/server/signals_windows.go b/cli/server/signals_windows.go
index 4465c1e21..30a70334c 100644
--- a/cli/server/signals_windows.go
+++ b/cli/server/signals_windows.go
@@ -1,5 +1,4 @@
 //go:build windows
-// +build windows
 
 package server
 
diff --git a/examples/engine/go.mod b/examples/engine/go.mod
index 6829880e9..a23b8e44e 100644
--- a/examples/engine/go.mod
+++ b/examples/engine/go.mod
@@ -1,5 +1,5 @@
 module github.com/nspcc-dev/neo-go/examples/engine
 
-go 1.16
+go 1.17
 
 require github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20220728140123-61cfbbd33fa2
diff --git a/examples/events/go.mod b/examples/events/go.mod
index 33e27b435..2ff00fa24 100644
--- a/examples/events/go.mod
+++ b/examples/events/go.mod
@@ -1,5 +1,5 @@
 module github.com/nspcc-dev/neo-go/examples/events
 
-go 1.16
+go 1.17
 
 require github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20220728140123-61cfbbd33fa2
diff --git a/examples/iterator/go.mod b/examples/iterator/go.mod
index b7b53ae0f..5e89af3e4 100644
--- a/examples/iterator/go.mod
+++ b/examples/iterator/go.mod
@@ -1,5 +1,5 @@
 module github.com/nspcc-dev/neo-go/examples/iterator
 
-go 1.16
+go 1.17
 
 require github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20220728140123-61cfbbd33fa2
diff --git a/examples/nft-d/go.mod b/examples/nft-d/go.mod
index af8943a4a..ebac6f9cb 100644
--- a/examples/nft-d/go.mod
+++ b/examples/nft-d/go.mod
@@ -1,5 +1,5 @@
 module github.com/nspcc-dev/neo-go/examples/nft
 
-go 1.16
+go 1.17
 
 require github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20220728140123-61cfbbd33fa2
diff --git a/examples/nft-nd-nns/go.mod b/examples/nft-nd-nns/go.mod
index 5bf0fc16f..05b860a3c 100644
--- a/examples/nft-nd-nns/go.mod
+++ b/examples/nft-nd-nns/go.mod
@@ -1,6 +1,6 @@
 module github.com/nspcc-dev/neo-go/examples/nft-nd-nns
 
-go 1.16
+go 1.17
 
 require (
 	github.com/nspcc-dev/neo-go v0.99.1-pre.0.20220711130119-3594c4f760bc
diff --git a/examples/nft-nd/go.mod b/examples/nft-nd/go.mod
index d32ed69cc..96d25dbb5 100644
--- a/examples/nft-nd/go.mod
+++ b/examples/nft-nd/go.mod
@@ -1,5 +1,5 @@
 module github.com/nspcc-dev/neo-go/examples/nft-nd
 
-go 1.16
+go 1.17
 
 require github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20220728140123-61cfbbd33fa2
diff --git a/examples/oracle/go.mod b/examples/oracle/go.mod
index 9151d1ed8..e7bc02f6f 100644
--- a/examples/oracle/go.mod
+++ b/examples/oracle/go.mod
@@ -1,5 +1,5 @@
 module github.com/nspcc-dev/neo-go/examples/oracle
 
-go 1.16
+go 1.17
 
 require github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20220728140123-61cfbbd33fa2
diff --git a/examples/runtime/go.mod b/examples/runtime/go.mod
index 22535671e..f420b0f15 100644
--- a/examples/runtime/go.mod
+++ b/examples/runtime/go.mod
@@ -1,5 +1,5 @@
 module github.com/nspcc-dev/neo-go/examples/runtime
 
-go 1.16
+go 1.17
 
 require github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20220728140123-61cfbbd33fa2
diff --git a/examples/storage/go.mod b/examples/storage/go.mod
index b4b2d01e5..a14313382 100644
--- a/examples/storage/go.mod
+++ b/examples/storage/go.mod
@@ -1,5 +1,5 @@
 module github.com/nspcc-dev/neo-go/examples/storage
 
-go 1.16
+go 1.17
 
 require github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20220728140123-61cfbbd33fa2
diff --git a/examples/timer/go.mod b/examples/timer/go.mod
index 62b634258..6ee4bc36d 100644
--- a/examples/timer/go.mod
+++ b/examples/timer/go.mod
@@ -1,5 +1,5 @@
 module github.com/nspcc-dev/neo-go/examples/timer
 
-go 1.16
+go 1.17
 
 require github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20220728140123-61cfbbd33fa2
diff --git a/examples/token/go.mod b/examples/token/go.mod
index 146997014..945b116cf 100644
--- a/examples/token/go.mod
+++ b/examples/token/go.mod
@@ -1,5 +1,5 @@
 module github.com/nspcc-dev/neo-go/examples/token
 
-go 1.16
+go 1.17
 
 require github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20220728140123-61cfbbd33fa2
diff --git a/go.mod b/go.mod
index 6dbb07acc..829ec808d 100644
--- a/go.mod
+++ b/go.mod
@@ -33,4 +33,4 @@ require (
 	gopkg.in/yaml.v3 v3.0.1
 )
 
-go 1.16
+go 1.17
diff --git a/pkg/core/transaction/fuzz_test.go b/pkg/core/transaction/fuzz_test.go
index adfb99521..8c2c16aa9 100644
--- a/pkg/core/transaction/fuzz_test.go
+++ b/pkg/core/transaction/fuzz_test.go
@@ -1,5 +1,4 @@
 //go:build go1.18
-// +build go1.18
 
 package transaction
 
diff --git a/pkg/interop/go.mod b/pkg/interop/go.mod
index 6aa0ab4c8..2e0512988 100644
--- a/pkg/interop/go.mod
+++ b/pkg/interop/go.mod
@@ -1,3 +1,3 @@
 module github.com/nspcc-dev/neo-go/pkg/interop
 
-go 1.16
\ No newline at end of file
+go 1.17
\ No newline at end of file
diff --git a/pkg/network/fuzz_test.go b/pkg/network/fuzz_test.go
index c6caa171b..f5c18956e 100644
--- a/pkg/network/fuzz_test.go
+++ b/pkg/network/fuzz_test.go
@@ -1,5 +1,4 @@
 //go:build go1.18
-// +build go1.18
 
 package network
 
diff --git a/pkg/vm/fuzz_test.go b/pkg/vm/fuzz_test.go
index 5b9fc5f9a..fc9434f93 100644
--- a/pkg/vm/fuzz_test.go
+++ b/pkg/vm/fuzz_test.go
@@ -1,5 +1,4 @@
 //go:build go1.18
-// +build go1.18
 
 package vm