diff --git a/meta/classes-recipe/populate_sdk_ext.bbclass b/meta/classes-recipe/populate_sdk_ext.bbclass
index b02295384b..8cb27ad995 100644
--- a/meta/classes-recipe/populate_sdk_ext.bbclass
+++ b/meta/classes-recipe/populate_sdk_ext.bbclass
@@ -153,7 +153,6 @@ def create_filtered_tasklist(d, sdkbasepath, tasklistfile, conf_initpath):
             f.write('SSTATE_MIRRORS:forcevariable = "file://universal/(.*) file://universal-4.9/\\1 file://universal-4.9/(.*) file://universal-4.8/\\1"\n')
             # Ensure TMPDIR is the default so that clean_esdk_builddir() can delete it
             f.write('TMPDIR:forcevariable = "${TOPDIR}/tmp"\n')
-            f.write('TCLIBCAPPEND:forcevariable = ""\n')
             # Drop uninative if the build isn't using it (or else NATIVELSBSTRING will
             # be different and we won't be able to find our native sstate)
             if not bb.data.inherits_class('uninative', d):
@@ -340,7 +339,6 @@ def write_local_conf(d, baseoutpath, derivative, core_meta_subdir, uninative_che
             f.write('\n')
 
             f.write('TMPDIR = "${TOPDIR}/tmp"\n')
-            f.write('TCLIBCAPPEND = ""\n')
             f.write('DL_DIR = "${TOPDIR}/downloads"\n')
 
             if bb.data.inherits_class('uninative', d):
diff --git a/meta/conf/distro/defaultsetup.conf b/meta/conf/distro/defaultsetup.conf
index 90b68057ad..e6369dcec4 100644
--- a/meta/conf/distro/defaultsetup.conf
+++ b/meta/conf/distro/defaultsetup.conf
@@ -8,10 +8,6 @@ require conf/distro/include/tclibc-${TCLIBC}.inc
 
 require conf/distro/include/uninative-flags.inc
 
-# Allow single libc distros to disable this code
-TCLIBCAPPEND ?= "-${TCLIBC}"
-TMPDIR .= "${TCLIBCAPPEND}"
-
 USER_CLASSES ?= ""
 PACKAGE_CLASSES ?= "package_ipk"
 INHERIT_DISTRO ?= "debian devshell sstate license remove-libtool create-spdx"
diff --git a/meta/lib/oeqa/selftest/cases/sstatetests.py b/meta/lib/oeqa/selftest/cases/sstatetests.py
index 49d650bac7..ae295bef5f 100644
--- a/meta/lib/oeqa/selftest/cases/sstatetests.py
+++ b/meta/lib/oeqa/selftest/cases/sstatetests.py
@@ -378,7 +378,6 @@ class SStateHashSameSigs(SStateBase):
         self.write_config("""
 MACHINE = "qemux86"
 TMPDIR = "${TOPDIR}/tmp-sstatesamehash"
-TCLIBCAPPEND = ""
 BUILD_ARCH = "x86_64"
 BUILD_OS = "linux"
 SDKMACHINE = "x86_64"
@@ -390,7 +389,6 @@ BB_SIGNATURE_HANDLER = "OEBasicHash"
         self.write_config("""
 MACHINE = "qemux86"
 TMPDIR = "${TOPDIR}/tmp-sstatesamehash2"
-TCLIBCAPPEND = ""
 BUILD_ARCH = "i686"
 BUILD_OS = "linux"
 SDKMACHINE = "i686"
@@ -426,7 +424,6 @@ BB_SIGNATURE_HANDLER = "OEBasicHash"
 
         self.write_config("""
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash\"
-TCLIBCAPPEND = \"\"
 NATIVELSBSTRING = \"DistroA\"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """)
@@ -434,7 +431,6 @@ BB_SIGNATURE_HANDLER = "OEBasicHash"
         bitbake("core-image-weston -S none")
         self.write_config("""
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash2\"
-TCLIBCAPPEND = \"\"
 NATIVELSBSTRING = \"DistroB\"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """)
@@ -463,14 +459,12 @@ class SStateHashSameSigs2(SStateBase):
 
         configA = """
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash\"
-TCLIBCAPPEND = \"\"
 MACHINE = \"qemux86-64\"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """
         #OLDEST_KERNEL is arch specific so set to a different value here for testing
         configB = """
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash2\"
-TCLIBCAPPEND = \"\"
 MACHINE = \"qemuarm\"
 OLDEST_KERNEL = \"3.3.0\"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
@@ -486,7 +480,6 @@ WARN_QA:append = " someotheroption"
 
         configA = """
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash\"
-TCLIBCAPPEND = \"\"
 MACHINE = \"qemux86-64\"
 require conf/multilib.conf
 MULTILIBS = \"multilib:lib32\"
@@ -495,7 +488,6 @@ BB_SIGNATURE_HANDLER = "OEBasicHash"
 """
         configB = """
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash2\"
-TCLIBCAPPEND = \"\"
 MACHINE = \"qemuarm\"
 require conf/multilib.conf
 MULTILIBS = \"\"
@@ -513,7 +505,6 @@ class SStateHashSameSigs3(SStateBase):
 
         self.write_config("""
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash\"
-TCLIBCAPPEND = \"\"
 MACHINE = \"qemux86\"
 require conf/multilib.conf
 MULTILIBS = "multilib:lib32"
@@ -524,7 +515,6 @@ BB_SIGNATURE_HANDLER = "OEBasicHash"
         bitbake("world meta-toolchain -S none")
         self.write_config("""
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash2\"
-TCLIBCAPPEND = \"\"
 MACHINE = \"qemux86copy\"
 require conf/multilib.conf
 MULTILIBS = "multilib:lib32"
@@ -561,7 +551,6 @@ BB_SIGNATURE_HANDLER = "OEBasicHash"
 
         self.write_config("""
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash\"
-TCLIBCAPPEND = \"\"
 MACHINE = \"qemux86\"
 require conf/multilib.conf
 MULTILIBS = "multilib:lib32"
@@ -572,7 +561,6 @@ BB_SIGNATURE_HANDLER = "OEBasicHash"
         bitbake("binutils-native  -S none")
         self.write_config("""
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash2\"
-TCLIBCAPPEND = \"\"
 MACHINE = \"qemux86copy\"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """)
@@ -600,7 +588,6 @@ class SStateHashSameSigs4(SStateBase):
 
         self.write_config("""
 TMPDIR = "${TOPDIR}/tmp-sstatesamehash"
-TCLIBCAPPEND = ""
 BB_NUMBER_THREADS = "${@oe.utils.cpu_count()}"
 PARALLEL_MAKE = "-j 1"
 DL_DIR = "${TOPDIR}/download1"
@@ -615,7 +602,6 @@ BB_SIGNATURE_HANDLER = "OEBasicHash"
         bitbake("world meta-toolchain -S none")
         self.write_config("""
 TMPDIR = "${TOPDIR}/tmp-sstatesamehash2"
-TCLIBCAPPEND = ""
 BB_NUMBER_THREADS = "${@oe.utils.cpu_count()+1}"
 PARALLEL_MAKE = "-j 2"
 DL_DIR = "${TOPDIR}/download2"
@@ -726,7 +712,6 @@ class SStateFindSiginfo(SStateBase):
         """
         self.write_config("""
 TMPDIR = \"${TOPDIR}/tmp-sstates-findsiginfo\"
-TCLIBCAPPEND = \"\"
 MACHINE = \"qemux86-64\"
 require conf/multilib.conf
 MULTILIBS = "multilib:lib32"