diff --git a/client/X11/xf_cliprdr.h b/client/X11/xf_cliprdr.h
index 33d75c822..b57779132 100644
--- a/client/X11/xf_cliprdr.h
+++ b/client/X11/xf_cliprdr.h
@@ -28,6 +28,7 @@
 void xf_clipboard_free(xfClipboard* clipboard);
 
 WINPR_ATTR_MALLOC(xf_clipboard_free, 1)
+WINPR_ATTR_NODISCARD
 xfClipboard* xf_clipboard_new(xfContext* xfc, BOOL relieveFilenameRestriction);
 
 void xf_cliprdr_init(xfContext* xfc, CliprdrClientContext* cliprdr);
diff --git a/client/X11/xf_disp.h b/client/X11/xf_disp.h
index c3c87926a..8c971596c 100644
--- a/client/X11/xf_disp.h
+++ b/client/X11/xf_disp.h
@@ -31,6 +31,7 @@ FREERDP_API BOOL xf_disp_uninit(xfDispContext* xfDisp, DispClientContext* disp);
 void xf_disp_free(xfDispContext* disp);
 
 WINPR_ATTR_MALLOC(xf_disp_free, 1)
+WINPR_ATTR_NODISCARD
 xfDispContext* xf_disp_new(xfContext* xfc);
 
 BOOL xf_disp_handle_xevent(xfContext* xfc, const XEvent* event);
diff --git a/client/X11/xf_floatbar.h b/client/X11/xf_floatbar.h
index 2208eb2f0..1e15ae17f 100644
--- a/client/X11/xf_floatbar.h
+++ b/client/X11/xf_floatbar.h
@@ -25,6 +25,7 @@ typedef struct xf_floatbar xfFloatbar;
 void xf_floatbar_free(xfFloatbar* floatbar);
 
 WINPR_ATTR_MALLOC(xf_floatbar_free, 1)
+WINPR_ATTR_NODISCARD
 xfFloatbar* xf_floatbar_new(xfContext* xfc, Window window, const char* title, DWORD flags);
 
 BOOL xf_floatbar_is_window(xfFloatbar* floatbar, Window window);
diff --git a/client/X11/xf_video.h b/client/X11/xf_video.h
index 385b4eae7..d14e7d42a 100644
--- a/client/X11/xf_video.h
+++ b/client/X11/xf_video.h
@@ -30,6 +30,7 @@ void xf_video_control_uninit(xfContext* xfc, VideoClientContext* video);
 void xf_video_free(xfVideoContext* context);
 
 WINPR_ATTR_MALLOC(xf_video_free, 1)
+WINPR_ATTR_NODISCARD
 xfVideoContext* xf_video_new(xfContext* xfc);
 
 #endif /* CLIENT_X11_XF_VIDEO_H_ */
diff --git a/client/common/client.c b/client/common/client.c
index 07b3324b8..487554dd9 100644
--- a/client/common/client.c
+++ b/client/common/client.c
@@ -2389,6 +2389,7 @@ BOOL freerdp_client_use_relative_mouse_events(rdpClientContext* ccontext)
 
 #if defined(WITH_AAD)
 WINPR_ATTR_MALLOC(free, 1)
+WINPR_ATTR_NODISCARD
 static char* get_redirect_uri(const rdpSettings* settings)
 {
 	char* redirect_uri = NULL;
diff --git a/client/common/client_cliprdr_file.c b/client/common/client_cliprdr_file.c
index 677d4e6f7..841ed1c77 100644
--- a/client/common/client_cliprdr_file.c
+++ b/client/common/client_cliprdr_file.c
@@ -214,6 +214,7 @@ static void fuse_file_free(void* data)
 
 WINPR_ATTR_FORMAT_ARG(1, 2)
 WINPR_ATTR_MALLOC(fuse_file_free, 1)
+WINPR_ATTR_NODISCARD
 static CliprdrFuseFile* fuse_file_new(WINPR_FORMAT_ARG const char* fmt, ...)
 {
 	CliprdrFuseFile* file = calloc(1, sizeof(CliprdrFuseFile));
diff --git a/client/common/sso_mib_tokens.h b/client/common/sso_mib_tokens.h
index 196dfd38d..28fca4810 100644
--- a/client/common/sso_mib_tokens.h
+++ b/client/common/sso_mib_tokens.h
@@ -11,6 +11,7 @@
 void sso_mib_free(MIBClientWrapper* sso);
 
 WINPR_ATTR_MALLOC(sso_mib_free, 1)
+WINPR_ATTR_NODISCARD
 MIBClientWrapper* sso_mib_new(rdpContext* context);
 
 #endif /* FREERDP_CLIENT_COMMON_SSO_MIB_TOKENS_H */