diff --git a/internal/sysinfo/memtotal_js.go b/internal/sysinfo/memtotal_js.go
deleted file mode 100644
index 45ff92792..000000000
--- a/internal/sysinfo/memtotal_js.go
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2020 New Relic Corporation. All rights reserved.
-// SPDX-License-Identifier: Apache-2.0
-
-//go:build js && wasm
-
-package sysinfo
-
-import "errors"
-
-// PhysicalMemoryBytes returns the total amount of host memory.
-func PhysicalMemoryBytes() (uint64, error) {
-	return 0, errors.New("unsupported js/wasm arch")
-}
diff --git a/internal/sysinfo/usage_js.go b/internal/sysinfo/usage_js.go
deleted file mode 100644
index 8b19bc296..000000000
--- a/internal/sysinfo/usage_js.go
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2020 New Relic Corporation. All rights reserved.
-// SPDX-License-Identifier: Apache-2.0
-
-//go:build js && wasm
-
-package sysinfo
-
-import "errors"
-
-// GetUsage gathers process times.
-func GetUsage() (Usage, error) {
-	return Usage{}, errors.New("unsupported js/wasm arch")
-}
diff --git a/internal/sysinfo/usage_posix.go b/internal/sysinfo/usage_posix.go
index 335261f3c..4d758dea1 100644
--- a/internal/sysinfo/usage_posix.go
+++ b/internal/sysinfo/usage_posix.go
@@ -1,7 +1,7 @@
 // Copyright 2020 New Relic Corporation. All rights reserved.
 // SPDX-License-Identifier: Apache-2.0
 
-//go:build !windows && !(js && wasm)
+// +build !windows
 
 package sysinfo