4 files changed, 1 insertions, 7 deletions
diff --git a/src/sexpr/lexer_test.cpp b/src/sexpr/lexer_test.cpp
index 0fc3901..fdb47f2 100644
--- a/src/sexpr/lexer_test.cpp
+++ b/src/sexpr/lexer_test.cpp
@@ -29,8 +29,6 @@
 
 namespace tmwa
 {
-#pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
-
 static
 io::FD string_pipe(ZString sz)
 {
diff --git a/src/sexpr/parser_test.cpp b/src/sexpr/parser_test.cpp
index 5113c1a..846d425 100644
--- a/src/sexpr/parser_test.cpp
+++ b/src/sexpr/parser_test.cpp
@@ -25,8 +25,6 @@
 
 namespace tmwa
 {
-#pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
-
 static
 io::FD string_pipe(ZString sz)
 {
diff --git a/src/sexpr/variant_test.cpp b/src/sexpr/variant_test.cpp
index 1ecb82f..5a75780 100644
--- a/src/sexpr/variant_test.cpp
+++ b/src/sexpr/variant_test.cpp
@@ -27,8 +27,6 @@
 
 namespace tmwa
 {
-#pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
-
     struct Tracker
     {
         int id, moves, copies;
diff --git a/src/sexpr/void.hpp b/src/sexpr/void.hpp
index 4ef20cc..a17de9d 100644
--- a/src/sexpr/void.hpp
+++ b/src/sexpr/void.hpp
@@ -28,7 +28,7 @@ namespace sexpr
     struct Void
     {
         template<class T>
-        constexpr operator T() noexcept { return T(); }
+        constexpr operator T() const noexcept { return T(); }
         template<class T>
         void operator = (T&&) noexcept {}
         template<class T>