diff --git a/liberty/test/liberty_ecsm.lib b/liberty/test/liberty_ecsm.lib
new file mode 100644
index 00000000..fdbd2f7d
--- /dev/null
+++ b/liberty/test/liberty_ecsm.lib
@@ -0,0 +1,59 @@
+library(test_ecsm_lib) {
+  delay_model : table_lookup ;
+  time_unit : "1ns" ;
+  voltage_unit : "1V" ;
+  current_unit : "1mA" ;
+  capacitive_load_unit(1, ff) ;
+  input_threshold_pct_rise : 50 ;
+  output_threshold_pct_rise : 50 ;
+  slew_lower_threshold_pct_rise : 20 ;
+  slew_upper_threshold_pct_rise : 80 ;
+  input_threshold_pct_fall : 50 ;
+  output_threshold_pct_fall : 50 ;
+  slew_lower_threshold_pct_fall : 20 ;
+  slew_upper_threshold_pct_fall : 80 ;
+
+  lu_table_template(delay_template_2x2) {
+    variable_1 : input_net_transition ;
+    variable_2 : total_output_net_capacitance ;
+    index_1("0.01, 0.1") ;
+    index_2("0.001, 0.01") ;
+  }
+
+  cell(ECSM1) {
+    area : 2.0 ;
+    pin(A) { direction : input ; capacitance : 0.01 ; }
+    pin(Z) {
+      direction : output ;
+      function : "A" ;
+      timing() {
+        related_pin : "A" ;
+        timing_sense : positive_unate ;
+        cell_rise(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
+        cell_fall(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
+        rise_transition(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
+        fall_transition(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
+        ecsm_waveform() {}
+      }
+    }
+  }
+
+  cell(ECSM2) {
+    area : 2.0 ;
+    pin(A) { direction : input ; capacitance : 0.01 ; }
+    pin(Z) {
+      direction : output ;
+      function : "A" ;
+      timing() {
+        related_pin : "A" ;
+        timing_sense : positive_unate ;
+        cell_rise(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
+        cell_fall(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
+        rise_transition(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
+        fall_transition(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
+        ecsm_waveform_set() {}
+        ecsm_capacitance() {}
+      }
+    }
+  }
+}
diff --git a/liberty/test/liberty_ecsm.tcl b/liberty/test/liberty_ecsm.tcl
index 949f8f88..9000d6b5 100644
--- a/liberty/test/liberty_ecsm.tcl
+++ b/liberty/test/liberty_ecsm.tcl
@@ -1,71 +1,6 @@
 source ../../test/helpers.tcl
 
-set lib_file [make_result_file liberty_ecsm_generated.lib]
-set f [open $lib_file w]
-puts $f {
-library(test_ecsm_lib) {
-  delay_model : table_lookup ;
-  time_unit : "1ns" ;
-  voltage_unit : "1V" ;
-  current_unit : "1mA" ;
-  capacitive_load_unit(1, ff) ;
-  input_threshold_pct_rise : 50 ;
-  output_threshold_pct_rise : 50 ;
-  slew_lower_threshold_pct_rise : 20 ;
-  slew_upper_threshold_pct_rise : 80 ;
-  input_threshold_pct_fall : 50 ;
-  output_threshold_pct_fall : 50 ;
-  slew_lower_threshold_pct_fall : 20 ;
-  slew_upper_threshold_pct_fall : 80 ;
-
-  lu_table_template(delay_template_2x2) {
-    variable_1 : input_net_transition ;
-    variable_2 : total_output_net_capacitance ;
-    index_1("0.01, 0.1") ;
-    index_2("0.001, 0.01") ;
-  }
-
-  cell(ECSM1) {
-    area : 2.0 ;
-    pin(A) { direction : input ; capacitance : 0.01 ; }
-    pin(Z) {
-      direction : output ;
-      function : "A" ;
-      timing() {
-        related_pin : "A" ;
-        timing_sense : positive_unate ;
-        cell_rise(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
-        cell_fall(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
-        rise_transition(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
-        fall_transition(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
-        ecsm_waveform() {}
-      }
-    }
-  }
-
-  cell(ECSM2) {
-    area : 2.0 ;
-    pin(A) { direction : input ; capacitance : 0.01 ; }
-    pin(Z) {
-      direction : output ;
-      function : "A" ;
-      timing() {
-        related_pin : "A" ;
-        timing_sense : positive_unate ;
-        cell_rise(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
-        cell_fall(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
-        rise_transition(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
-        fall_transition(delay_template_2x2) { values("0.01, 0.02", "0.03, 0.04") ; }
-        ecsm_waveform_set() {}
-        ecsm_capacitance() {}
-      }
-    }
-  }
-}
-}
-close $f
-
-read_liberty $lib_file
+read_liberty liberty_ecsm.lib
 
 set cell_names {}
 foreach cell [get_lib_cells test_ecsm_lib/*] {