diff --git a/openssl.target.linux-arm.mk b/openssl.target.linux-arm.mk
index 38a6b27..a019df8 100644
--- a/openssl.target.linux-arm.mk
+++ b/openssl.target.linux-arm.mk
@@ -623,7 +623,6 @@
 	'-DCHROMIUM_BUILD' \
 	'-DUSE_LIBJPEG_TURBO=1' \
 	'-DUSE_PROPRIETARY_CODECS' \
-	'-DENABLE_PEPPER_THREADING' \
 	'-DENABLE_GPU=1' \
 	'-DUSE_OPENSSL=1' \
 	'-DENABLE_EGLIMAGE=1' \
diff --git a/openssl.target.linux-x86.mk b/openssl.target.linux-x86.mk
index a468bf9..58b4fde 100644
--- a/openssl.target.linux-x86.mk
+++ b/openssl.target.linux-x86.mk
@@ -627,7 +627,6 @@
 	'-DCHROMIUM_BUILD' \
 	'-DUSE_LIBJPEG_TURBO=1' \
 	'-DUSE_PROPRIETARY_CODECS' \
-	'-DENABLE_PEPPER_THREADING' \
 	'-DENABLE_GPU=1' \
 	'-DUSE_OPENSSL=1' \
 	'-DENABLE_EGLIMAGE=1' \