diff --git a/meta/conf/distro/include/tcmode-default.inc b/meta/conf/distro/include/tcmode-default.inc
index 079a7ca3ea..ce0c8235e4 100644
--- a/meta/conf/distro/include/tcmode-default.inc
+++ b/meta/conf/distro/include/tcmode-default.inc
@@ -6,18 +6,14 @@ PREFERRED_PROVIDER_virtual/cross-binutils = "${MLPREFIX}binutils-cross-${TARGET_
 PREFERRED_PROVIDER_virtual/cross-binutils:class-nativesdk ?= "binutils-crosssdk-${SDK_SYS}"
 PREFERRED_PROVIDER_virtual/nativesdk-cross-binutils ?= "binutils-crosssdk-${SDK_SYS}"
 
-PREFERRED_PROVIDER_gdb = "gdb"
-
 # Default libc config
 PREFERRED_PROVIDER_virtual/gettext ??= "gettext"
 
 GCCVERSION ?= "14.%"
 SDKGCCVERSION ?= "${GCCVERSION}"
 BINUVERSION ?= "2.44%"
-GDBVERSION ?= "16.%"
 GLIBCVERSION ?= "2.41%"
 LINUXLIBCVERSION ?= "6.12%"
-QEMUVERSION ?= "9.2%"
 GOVERSION ?= "1.24%"
 RUSTVERSION ?= "1.83%"
 
@@ -40,9 +36,6 @@ PREFERRED_VERSION_binutils-native ?= "${BINUVERSION}"
 PREFERRED_VERSION_binutils-cross-${TARGET_ARCH} ?= "${BINUVERSION}"
 PREFERRED_VERSION_binutils-crosssdk-${SDK_SYS} ?= "${BINUVERSION}"
 PREFERRED_VERSION_binutils-cross-canadian-${TRANSLATED_TARGET_ARCH} ?= "${BINUVERSION}"
-PREFERRED_VERSION_gdb ?= "${GDBVERSION}"
-PREFERRED_VERSION_gdb-cross-${TARGET_ARCH} ?= "${GDBVERSION}"
-PREFERRED_VERSION_gdb-cross-canadian-${TRANSLATED_TARGET_ARCH} ?= "${GDBVERSION}"
 
 PREFERRED_VERSION_linux-libc-headers ?= "${LINUXLIBCVERSION}"
 PREFERRED_VERSION_nativesdk-linux-libc-headers ?= "${LINUXLIBCVERSION}"
@@ -53,10 +46,6 @@ PREFERRED_VERSION_glibc-scripts            ?= "${GLIBCVERSION}"
 PREFERRED_VERSION_nativesdk-glibc          ?= "${GLIBCVERSION}"
 PREFERRED_VERSION_cross-localedef-native   ?= "${GLIBCVERSION}"
 
-PREFERRED_VERSION_qemu ?= "${QEMUVERSION}"
-PREFERRED_VERSION_qemu-native ?= "${QEMUVERSION}"
-PREFERRED_VERSION_nativesdk-qemu ?= "${QEMUVERSION}"
-
 # Bootstrap Go using a binary release from golang.org.  If you want to bootstrap
 # from source using the C-implemented Go 1.4 (only supports x86-64 hosts) then use
 # go-native.