diff --git a/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstExcludeComments.ql b/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstExcludeComments.ql
index 4ca15c10ac5..bbcaa16f28b 100644
--- a/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstExcludeComments.ql
+++ b/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstExcludeComments.ql
@@ -5,6 +5,7 @@
 import go
 import semmle.go.PrintAst
 
+overlay[local]
 class Cfg extends PrintAstConfiguration {
   override predicate shouldPrintFunction(FuncDecl func) { any() }
 
diff --git a/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstNestedFunction.ql b/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstNestedFunction.ql
index eaddceacaa3..b04be6edfac 100644
--- a/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstNestedFunction.ql
+++ b/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstNestedFunction.ql
@@ -5,6 +5,7 @@
 import go
 import semmle.go.PrintAst
 
+overlay[local]
 class Cfg extends PrintAstConfiguration {
   override predicate shouldPrintFunction(FuncDecl func) { func.getName() = "hasNested" }
 
diff --git a/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstRestrictFile.ql b/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstRestrictFile.ql
index 83d27b9cf26..60cda4f5045 100644
--- a/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstRestrictFile.ql
+++ b/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstRestrictFile.ql
@@ -5,6 +5,7 @@
 import go
 import semmle.go.PrintAst
 
+overlay[local]
 class Cfg extends PrintAstConfiguration {
   override predicate shouldPrintFunction(FuncDecl func) { any() }
 
diff --git a/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstRestrictFunction.ql b/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstRestrictFunction.ql
index 382fc397755..5b3501edc6c 100644
--- a/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstRestrictFunction.ql
+++ b/go/ql/test/library-tests/semmle/go/PrintAst/PrintAstRestrictFunction.ql
@@ -5,6 +5,7 @@
 import go
 import semmle.go.PrintAst
 
+overlay[local]
 class Cfg extends PrintAstConfiguration {
   override predicate shouldPrintFunction(FuncDecl func) { func.getName() = "g" }