diff --git a/addons/godot_xterm/native/src/pty.cpp b/addons/godot_xterm/native/src/pty.cpp
index c366338..740526c 100644
--- a/addons/godot_xterm/native/src/pty.cpp
+++ b/addons/godot_xterm/native/src/pty.cpp
@@ -37,12 +37,9 @@ void PTY::_bind_methods() {
     BIND_ENUM_CONSTANT(SIGNAL_SIGILL);
     BIND_ENUM_CONSTANT(SIGNAL_SIGTRAP);
     BIND_ENUM_CONSTANT(SIGNAL_SIGABRT);
-    BIND_ENUM_CONSTANT(SIGNAL_SIGBUS);
     BIND_ENUM_CONSTANT(SIGNAL_SIGFPE);
     BIND_ENUM_CONSTANT(SIGNAL_SIGKILL);
-    BIND_ENUM_CONSTANT(SIGNAL_SIGUSR1);
     BIND_ENUM_CONSTANT(SIGNAL_SIGSEGV);
-    BIND_ENUM_CONSTANT(SIGNAL_SIGUSR2);
     BIND_ENUM_CONSTANT(SIGNAL_SIGPIPE);
     BIND_ENUM_CONSTANT(SIGNAL_SIGALRM);
     BIND_ENUM_CONSTANT(SIGNAL_SIGTERM);
diff --git a/addons/godot_xterm/native/src/pty.h b/addons/godot_xterm/native/src/pty.h
index 4c9e2a6..4b3e8f9 100644
--- a/addons/godot_xterm/native/src/pty.h
+++ b/addons/godot_xterm/native/src/pty.h
@@ -24,12 +24,9 @@ namespace godot
       SIGNAL_SIGILL = 4,
       SIGNAL_SIGTRAP = 5,
       SIGNAL_SIGABRT = 6,
-      SIGNAL_SIGBUS = 7,
       SIGNAL_SIGFPE = 8,
       SIGNAL_SIGKILL = 9,
-      SIGNAL_SIGUSR1 = 10,
       SIGNAL_SIGSEGV = 11,
-      SIGNAL_SIGUSR2 = 12,
       SIGNAL_SIGPIPE = 13,
       SIGNAL_SIGALRM = 14,
       SIGNAL_SIGTERM = 15,
diff --git a/test/test_pty.gd b/test/test_pty.gd
index d08762b..1fd1b55 100644
--- a/test/test_pty.gd
+++ b/test/test_pty.gd
@@ -66,7 +66,6 @@ class TestInterface:
 
 	# Enums.
 
-	# Added SIGNAL_ prefix to name.
 	func test_has_enum_signal():
 		assert_eq(described_class.SIGNAL_SIGHUP, 1)
 		assert_eq(described_class.SIGNAL_SIGINT, 2)