diff --git a/README.md b/README.md
index 943f05d..34b10b2 100644
--- a/README.md
+++ b/README.md
@@ -96,8 +96,7 @@ Many symbol names are also omitted from binary sections at link time.
 All in all, this can make binaries about 15% smaller.
 
 With this flag, no panics or fatal runtime errors will ever be printed, but they
-can still be handled internally with `recover` as normal. In addition, the
-`GODEBUG` environmental variable will be ignored.
+can still be handled internally with `recover` as normal.
 
 Note that this flag can make debugging crashes harder, as a panic will simply
 exit the entire program without printing a stack trace, and source code
diff --git a/runtime_patch.go b/runtime_patch.go
index 848c0de..4002b18 100644
--- a/runtime_patch.go
+++ b/runtime_patch.go
@@ -200,27 +200,7 @@ func stripRuntime(basename string, file *ast.File) {
 				funcDecl.Body.List = nil
 			}
 		case "runtime1.go":
-			usesEnv := func(node ast.Node) bool {
-				for node := range ast.Preorder(node) {
-					ident, ok := node.(*ast.Ident)
-					if ok && ident.Name == "gogetenv" {
-						return true
-					}
-				}
-				return false
-			}
-		filenames:
 			switch funcDecl.Name.Name {
-			case "parsedebugvars":
-				// keep defaults for GODEBUG cgocheck and invalidptr,
-				// remove code that reads GODEBUG via gogetenv
-				for i, stmt := range funcDecl.Body.List {
-					if usesEnv(stmt) {
-						funcDecl.Body.List = funcDecl.Body.List[:i]
-						break filenames
-					}
-				}
-				panic("did not see any gogetenv call in parsedebugvars")
 			case "setTraceback":
 				// tracebacks are completely hidden, no
 				// sense keeping this function
diff --git a/testdata/script/tiny.txtar b/testdata/script/tiny.txtar
index c7d99c0..b8f65f4 100644
--- a/testdata/script/tiny.txtar
+++ b/testdata/script/tiny.txtar
@@ -1,15 +1,12 @@
 # Tiny mode
 exec garble -tiny build
 ! binsubstr main$exe 'garble_main.go' 'fmt/print.go'
-env GODEBUG='allocfreetrace=1,gcpacertrace=1,gctrace=1,inittrace=1,scavenge=1,scavtrace=1,scheddetail=1,schedtrace=10'
 ! exec ./main$exe
-env GODEBUG='' # Ensure further commands don't have weirdness due to GODEBUG.
 stderr '^\(0x[[:xdigit:]]+,0x[[:xdigit:]]+\)' # interfaces/pointers print correctly
 # With -tiny, all line numbers are reset to 1.
 # Unfortunately, line comment directives don't allow erasing line numbers entirely.
 stderr '^caller: \?\? 1$' # position info is removed
 stderr '^recovered: ya like jazz?'
-! stderr '^init runtime'  # GODEBUG prints are hidden, like inittrace=1
 ! stderr 'panic: oh noes' # panics are hidden
 stderr 'funcExported false funcUnexported true'
 stderr 'funcStructExported false funcStructUnexported true'