diff --git a/lib/preludes/raygui-prelude.zig b/lib/preludes/raygui-prelude.zig
index 8426fd6..a10d04c 100644
--- a/lib/preludes/raygui-prelude.zig
+++ b/lib/preludes/raygui-prelude.zig
@@ -5,6 +5,8 @@ pub const cdef = @import("raygui-ext.zig");
 
 test {
     std.testing.refAllDecls(@This());
+    std.testing.refAllDecls(cdef);
+    std.testing.refAllDecls(rl);
 }
 
 pub const RayguiError = error{GetIcons};
diff --git a/lib/preludes/raylib-prelude.zig b/lib/preludes/raylib-prelude.zig
index 905316f..99e4207 100644
--- a/lib/preludes/raylib-prelude.zig
+++ b/lib/preludes/raylib-prelude.zig
@@ -12,6 +12,9 @@ const C = std.builtin.CallingConvention.c;
 
 test {
     std.testing.refAllDecls(@This());
+    std.testing.refAllDecls(cdef);
+    std.testing.refAllDecls(gl);
+    std.testing.refAllDecls(math);
 }
 
 pub const RaylibError = error{
diff --git a/lib/preludes/raymath-prelude.zig b/lib/preludes/raymath-prelude.zig
index 7d762f2..e55495e 100644
--- a/lib/preludes/raymath-prelude.zig
+++ b/lib/preludes/raymath-prelude.zig
@@ -7,6 +7,7 @@ pub const cdef = @import("raymath-ext.zig");
 
 test {
     std.testing.refAllDecls(@This());
+    std.testing.refAllDecls(cdef);
 }
 
 const Matrix = rl.Matrix;
diff --git a/lib/preludes/rlgl-prelude.zig b/lib/preludes/rlgl-prelude.zig
index 6cc08d6..6ec4536 100644
--- a/lib/preludes/rlgl-prelude.zig
+++ b/lib/preludes/rlgl-prelude.zig
@@ -7,6 +7,7 @@ pub const cdef = @import("rlgl-ext.zig");
 
 test {
     std.testing.refAllDecls(@This());
+    std.testing.refAllDecls(cdef);
 }
 
 const Matrix = rl.Matrix;
diff --git a/lib/raygui.zig b/lib/raygui.zig
index 55ed6c4..8a3179f 100644
--- a/lib/raygui.zig
+++ b/lib/raygui.zig
@@ -5,6 +5,8 @@ pub const cdef = @import("raygui-ext.zig");
 
 test {
     std.testing.refAllDecls(@This());
+    std.testing.refAllDecls(cdef);
+    std.testing.refAllDecls(rl);
 }
 
 pub const RayguiError = error{GetIcons};
diff --git a/lib/raylib.zig b/lib/raylib.zig
index 9d6000b..b154c03 100644
--- a/lib/raylib.zig
+++ b/lib/raylib.zig
@@ -12,6 +12,9 @@ const C = std.builtin.CallingConvention.c;
 
 test {
     std.testing.refAllDecls(@This());
+    std.testing.refAllDecls(cdef);
+    std.testing.refAllDecls(gl);
+    std.testing.refAllDecls(math);
 }
 
 pub const RaylibError = error{
@@ -57,12 +60,12 @@ pub const Vector2 = extern struct {
 
     /// Vector with components value 0.0
     pub fn zero() Vector2 {
-        return Vector2{ .x = 0.0, .y = 0.0 };
+        return math.vector2Zero();
     }
 
     /// Vector with components value 1.0
     pub fn one() Vector2 {
-        return Vector2{ .x = 1.0, .y = 1.0 };
+        return math.vector2One();
     }
 
     /// Add two vectors (v1 + v2)
@@ -225,12 +228,12 @@ pub const Vector3 = extern struct {
 
     // Vector with components value 0.0
     pub fn zero() Vector3 {
-        return Vector3{ .x = 0.0, .y = 0.0, .z = 0.0};
+        return math.vector3Zero();
     }
 
     /// Vector with components value 1.0
     pub fn one() Vector3 {
-        return Vector3{ .x = 1.0, .y = 1.0, .z = 1.0};
+        return math.vector3One();
     }
 
     /// Add two vectors
@@ -443,12 +446,12 @@ pub const Vector4 = extern struct {
 
     /// Vector with components value 0.0
     pub fn zero() Vector4 {
-        return Vector4{.x = 0.0, .y = 0.0, .z = 0.0, .w = 0.0};
+        return math.vector4Zero();
     }
 
     /// Vector with components value 1.0
     pub fn one() Vector4 {
-        return Vector4{.x = 1.0, .y = 1.0, .z = 1.0, .w = 1.0};
+        return math.vector4One();
     }
 
     /// Add two vectors
@@ -1836,7 +1839,6 @@ pub const KeyboardKey = enum(c_int) {
     //menu = 82,
     volume_up = 24,
     volume_down = 25,
-    _,
 };
 
 pub const MouseButton = enum(c_int) {
diff --git a/lib/raymath.zig b/lib/raymath.zig
index 20e8f5e..faf42e2 100644
--- a/lib/raymath.zig
+++ b/lib/raymath.zig
@@ -7,6 +7,7 @@ pub const cdef = @import("raymath-ext.zig");
 
 test {
     std.testing.refAllDecls(@This());
+    std.testing.refAllDecls(cdef);
 }
 
 const Matrix = rl.Matrix;
diff --git a/lib/rlgl.zig b/lib/rlgl.zig
index 7846dd7..1b42266 100644
--- a/lib/rlgl.zig
+++ b/lib/rlgl.zig
@@ -7,6 +7,7 @@ pub const cdef = @import("rlgl-ext.zig");
 
 test {
     std.testing.refAllDecls(@This());
+    std.testing.refAllDecls(cdef);
 }
 
 const Matrix = rl.Matrix;