diff --git a/tools/gdb/fs.py b/tools/gdb/fs.py
index c523c45e029..f00396b6d8a 100644
--- a/tools/gdb/fs.py
+++ b/tools/gdb/fs.py
@@ -117,7 +117,7 @@ class Fdinfo(gdb.Command):
         output = []
         if CONFIG_FS_BACKTRACE:
             backtrace = utils.backtrace(
-                [file["f_backtrace"][i] for i in range(CONFIG_FS_BACKTRACE)]
+                file["f_backtrace"][i] for i in range(CONFIG_FS_BACKTRACE)
             )
 
             backtrace = [
diff --git a/tools/gdb/memdump.py b/tools/gdb/memdump.py
index 4cb554e7b6d..ff09c36b151 100644
--- a/tools/gdb/memdump.py
+++ b/tools/gdb/memdump.py
@@ -989,7 +989,7 @@ class Memfrag(gdb.Command):
                 gdb.write(f"addr: {node['addr']}, size: {node['size']}\n")
 
         heapsize = gdb.parse_and_eval("*g_mmheap")["mm_heapsize"]
-        freesize = sum([node["size"] for node in info])
+        freesize = sum(node["size"] for node in info)
         remaining = freesize
         fragrate = 0
 
diff --git a/tools/gdb/thread.py b/tools/gdb/thread.py
index 6b6be46b734..8ab88210df4 100644
--- a/tools/gdb/thread.py
+++ b/tools/gdb/thread.py
@@ -412,10 +412,8 @@ class Ps(gdb.Command):
 
         sigmask = "{0:#0{1}x}".format(
             sum(
-                [
-                    int(tcb["sigprocmask"]["_elem"][i] << i)
-                    for i in range(get_macro("_SIGSET_NELEM"))
-                ]
+                int(tcb["sigprocmask"]["_elem"][i] << i)
+                for i in range(get_macro("_SIGSET_NELEM"))
             ),
             get_macro("_SIGSET_NELEM") * 8 + 2,
         )[