diff --git a/core/64_bit_blacklist.mk b/core/64_bit_blacklist.mk
index 0171e67a1..9f1653695 100644
--- a/core/64_bit_blacklist.mk
+++ b/core/64_bit_blacklist.mk
@@ -16,8 +16,6 @@ _64_bit_directory_blacklist += \
 
 # misc build errors
 _64_bit_directory_blacklist += \
-	external/oprofile/daemon \
-	external/oprofile/opcontrol \
 	frameworks/av \
 	frameworks/base \
 	device/generic/goldfish/opengl \
diff --git a/envsetup.sh b/envsetup.sh
index d3bfe80b7..ba4f68357 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -191,10 +191,6 @@ function setpaths()
     unset ANDROID_HOST_OUT
     export ANDROID_HOST_OUT=$(get_abs_build_var HOST_OUT)
 
-    # needed for processing samples collected by perf counters
-    unset OPROFILE_EVENTS_DIR
-    export OPROFILE_EVENTS_DIR=$T/external/oprofile/events
-
     # needed for building linux on MacOS
     # TODO: fix the path
     #export HOST_EXTRACFLAGS="-I "$T/system/kernel_headers/host_include