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 $@