diff --git a/engine/ibus-engine-table.in b/engine/ibus-engine-table.in
index e79d62a6cad4..675007204abd 100644
--- a/engine/ibus-engine-table.in
+++ b/engine/ibus-engine-table.in
@@ -24,8 +24,6 @@ prefix=@prefix@
 exec_prefix=@prefix@
 datarootdir=@datarootdir@
 datadir=@datadir@
-export IBUS_TABLE_LOCATION=@datarootdir@/ibus-table
-export IBUS_TABLE_LIB_LOCATION=@libexecdir@
 
 # Set this variable to something > 0 to get more debug output.
 # (Debug output may show up in the log file and/or in the lookup table):
diff --git a/engine/ibus-table-createdb.in b/engine/ibus-table-createdb.in
index 91eb28b7cbe5..187dddf2c952 100644
--- a/engine/ibus-table-createdb.in
+++ b/engine/ibus-table-createdb.in
@@ -24,6 +24,4 @@ exec_prefix=@exec_prefix@
 bindir=@bindir@
 datarootdir=@datarootdir@
 datadir=@datadir@
-export IBUS_TABLE_DATA_DIR=@datarootdir@
-export IBUS_TABLE_BIN_PATH=@bindir@
 exec @PYTHON@ @datarootdir@/ibus-table/engine/tabcreatedb.py $@
diff --git a/setup/ibus-setup-table.in b/setup/ibus-setup-table.in
index 7f7405c37296..ae6f96921c56 100644
--- a/setup/ibus-setup-table.in
+++ b/setup/ibus-setup-table.in
@@ -22,9 +22,6 @@
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 datarootdir=@datarootdir@
-export IBUS_PREFIX=@prefix@
-export IBUS_DATAROOTDIR=@datarootdir@
-export IBUS_LOCALEDIR=@localedir@
 cd @prefix@/share/ibus-table/setup/
 exec @PYTHON@ main.py $@
 
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<div class='path'>path: <a href='/guix/log/?id=bc499b113a598c0e7863da9887a4133472985713'>root</a>/<a href='/guix/log/tests?id=bc499b113a598c0e7863da9887a4133472985713'>tests</a>/<a href='/guix/log/tests/guix-download.sh?id=bc499b113a598c0e7863da9887a4133472985713'>guix-download.sh</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/guix-download.sh?id=bc499b113a598c0e7863da9887a4133472985713&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2017-08-20 20:55:45 +0800'>2017-08-20</span></td><td><a href='/guix/commit/tests/guix-download.sh?id=a02967d77af03d6468e25d6e26dbea0db919ce96'>guix download: Support retrieving local file without the URI scheme.</a><span class='msg-avail'>...</span></td><td>宋文武</td></tr>
<tr><td><span title='2016-11-16 18:00:41 +0100'>2016-11-16</span></td><td><a href='/guix/commit/tests/guix-download.sh?id=1bcc87bb685b7985512add221f10e4cb58b5f6f7'>guix download: Add '-o' option.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-11-23 17:48:35 +0100'>2015-11-23</span></td><td><a href='/guix/commit/tests/guix-download.sh?id=86cdfc451bad61faa66f100208c95f3275050957'>guix download: Fail when more than one URL is passed.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>