diff --git a/package/libnspr/libnspr.mk b/package/libnspr/libnspr.mk
index 8e58986b6c..9f49eef918 100644
--- a/package/libnspr/libnspr.mk
+++ b/package/libnspr/libnspr.mk
@@ -49,12 +49,4 @@ LIBNSPR_INSTALL_TARGET_OPTS = DESTDIR=$(TARGET_DIR) LIBRARY= install
 LIBNSPR_INSTALL_STAGING_OPTS = DESTDIR=$(STAGING_DIR) LIBRARY= install
 endif
 
-ifeq ($(BR2_arm),y)
-ifeq ($(BR2_ARM_CPU_HAS_THUMB2),y)
-LIBNSPR_CONF_OPTS += --enable-thumb2
-else
-LIBNSPR_CONF_OPTS += --disable-thumb2
-endif
-endif
-
 $(eval $(autotools-package))