diff --git a/tools/build_travis.py b/tools/build_travis.py
index c3684fe0d3..5245d7c0b5 100644
--- a/tools/build_travis.py
+++ b/tools/build_travis.py
@@ -27,7 +27,7 @@ from argparse import ArgumentParser
 
 ################################################################################
 # Configure builds here
-# "libs" can contain "dsp", "usb"
+# "libs" can contain "dsp"
 
 build_list = [
     {
@@ -44,29 +44,29 @@ build_list = [
         { "target": "NUCLEO_F072RB",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_F091RC",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_F103RB",     "toolchains": "GCC_ARM" },
-        { "target": "NUCLEO_F207ZG",     "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
+        { "target": "NUCLEO_F207ZG",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_F302R8",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_F303K8",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_F303RE",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
-        { "target": "NUCLEO_F303ZE",     "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
+        { "target": "NUCLEO_F303ZE",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_F334R8",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
-        { "target": "NUCLEO_F401RE",     "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
+        { "target": "NUCLEO_F401RE",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "STEVAL_3DP001V1",   "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
         { "target": "NUCLEO_F410RB",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
-        { "target": "NUCLEO_F411RE",     "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
+        { "target": "NUCLEO_F411RE",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_F412ZG",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
-        { "target": "NUCLEO_F413ZH",     "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
+        { "target": "NUCLEO_F413ZH",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_L432KC",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "MTB_ADV_WISE_1510", "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_L476RG",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_L011K4",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_L031K6",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_L073RZ",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
-        { "target": "NUCLEO_F429ZI",     "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-        { "target": "NUCLEO_F446RE",     "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-        { "target": "NUCLEO_F446ZE",     "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-        { "target": "NUCLEO_F746ZG",     "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-        { "target": "NUCLEO_F767ZI",     "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
+        { "target": "NUCLEO_F429ZI",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
+        { "target": "NUCLEO_F446RE",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
+        { "target": "NUCLEO_F446ZE",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
+        { "target": "NUCLEO_F746ZG",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
+        { "target": "NUCLEO_F767ZI",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "NUCLEO_L496ZG",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
 
         { "target": "MOTE_L152RC",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
@@ -83,15 +83,15 @@ build_list = [
         { "target": "DISCO_F334C8",      "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "DISCO_F401VC",      "toolchains": "GCC_ARM", "libs": ["dsp"] },
 
-        { "target": "DISCO_F407VG",      "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
+        { "target": "DISCO_F407VG",      "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "DISCO_F413ZH",      "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "DISCO_F429ZI",      "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "DISCO_F469NI",      "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "DISCO_F746NG",      "toolchains": "GCC_ARM", "libs": ["dsp"] },
         { "target": "DISCO_F769NI",      "toolchains": "GCC_ARM", "libs": ["dsp"] },
-        { "target": "DISCO_L475VG_IOT01A", "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-        { "target": "DISCO_L476VG",        "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-        { "target": "DISCO_L072CZ_LRWAN1", "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
+        { "target": "DISCO_L475VG_IOT01A", "toolchains": "GCC_ARM", "libs": ["dsp"] },
+        { "target": "DISCO_L476VG",        "toolchains": "GCC_ARM", "libs": ["dsp"] },
+        { "target": "DISCO_L072CZ_LRWAN1", "toolchains": "GCC_ARM", "libs": ["dsp"] },
 
         # module manufacturer : muRata
         { "target": "MTB_MURATA_ABZ",    "toolchains": "GCC_ARM", "libs": [] },
@@ -101,7 +101,7 @@ build_list = [
     {
         "NXP":
         (
-            { "target": "LPC1768",           "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
+            { "target": "LPC1768",           "toolchains": "GCC_ARM", "libs": ["dsp"] },
             { "target": "LPC11U24",          "toolchains": "GCC_ARM", "libs": ["dsp"] },
             { "target": "OC_MBUINO",         "toolchains": "GCC_ARM", "libs": []  },
 
@@ -114,15 +114,15 @@ build_list = [
             { "target": "LPC11U37H_401",     "toolchains": "GCC_ARM", "libs": ["dsp"] },
             { "target": "LPC1549",           "toolchains": "GCC_ARM", "libs": ["dsp"] },
             { "target": "KL05Z",             "toolchains": "GCC_ARM", "libs": ["dsp"] },
-            { "target": "KL25Z",             "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-            { "target": "KL27Z",             "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-            { "target": "KL43Z",             "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-            { "target": "KL46Z",             "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
+            { "target": "KL25Z",             "toolchains": "GCC_ARM", "libs": ["dsp"] },
+            { "target": "KL27Z",             "toolchains": "GCC_ARM", "libs": ["dsp"] },
+            { "target": "KL43Z",             "toolchains": "GCC_ARM", "libs": ["dsp"] },
+            { "target": "KL46Z",             "toolchains": "GCC_ARM", "libs": ["dsp"] },
             { "target": "K20D50M",           "toolchains": "GCC_ARM", "libs": ["dsp"] },
             { "target": "TEENSY3_1",         "toolchains": "GCC_ARM", "libs": ["dsp"] },
-            { "target": "K64F",              "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-            { "target": "K22F",              "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-            { "target": "LPC4088",           "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
+            { "target": "K64F",              "toolchains": "GCC_ARM", "libs": ["dsp"] },
+            { "target": "K22F",              "toolchains": "GCC_ARM", "libs": ["dsp"] },
+            { "target": "LPC4088",           "toolchains": "GCC_ARM", "libs": ["dsp"] },
             { "target": "ARCH_PRO",          "toolchains": "GCC_ARM", "libs": ["dsp"] },
         )
     },
@@ -141,10 +141,10 @@ build_list = [
         "SILICON_LABS":
         (
             { "target": "EFM32ZG_STK3200",   "toolchains": "GCC_ARM", "libs": ["dsp"] },
-            { "target": "EFM32HG_STK3400",   "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-            { "target": "EFM32LG_STK3600",   "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-            { "target": "EFM32GG_STK3700",   "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
-            { "target": "EFM32WG_STK3800",   "toolchains": "GCC_ARM", "libs": ["dsp", "usb"] },
+            { "target": "EFM32HG_STK3400",   "toolchains": "GCC_ARM", "libs": ["dsp"] },
+            { "target": "EFM32LG_STK3600",   "toolchains": "GCC_ARM", "libs": ["dsp"] },
+            { "target": "EFM32GG_STK3700",   "toolchains": "GCC_ARM", "libs": ["dsp"] },
+            { "target": "EFM32WG_STK3800",   "toolchains": "GCC_ARM", "libs": ["dsp"] },
             { "target": "EFM32PG_STK3401",   "toolchains": "GCC_ARM", "libs": ["dsp"] },
         )
     },
@@ -163,9 +163,9 @@ build_list = [
     {
         "NUVOTON":
         (
-            { "target": "NUMAKER_PFM_NUC472",   "toolchains": "GCC_ARM",    "libs": ["dsp", "usb"] },
-            { "target": "NUMAKER_PFM_M453",     "toolchains": "GCC_ARM",    "libs": ["dsp", "usb"] },
-            { "target": "NUMAKER_PFM_M487",     "toolchains": "GCC_ARM",    "libs": ["dsp", "usb"] },
+            { "target": "NUMAKER_PFM_NUC472",   "toolchains": "GCC_ARM",    "libs": ["dsp"] },
+            { "target": "NUMAKER_PFM_M453",     "toolchains": "GCC_ARM",    "libs": ["dsp"] },
+            { "target": "NUMAKER_PFM_M487",     "toolchains": "GCC_ARM",    "libs": ["dsp"] },
         )
     },
 
@@ -188,25 +188,21 @@ linking_list = [
             {"target": "LPC1768",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_15", "MBED_16", "MBED_17"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "K64F",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "K22F",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "KL43Z",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
          )
@@ -217,25 +213,21 @@ linking_list = [
             {"target": "NUCLEO_F446RE",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "NUCLEO_F446ZE",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "NUCLEO_F401RE",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                      }
             },
             {"target": "NUCLEO_F411RE",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "NUCLEO_F412ZG",
@@ -246,31 +238,26 @@ linking_list = [
             {"target": "NUCLEO_F413ZH",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                      }
             },
             {"target": "NUCLEO_F429ZI",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "NUCLEO_F207ZG",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "NUCLEO_F746ZG",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "NUCLEO_F767ZI",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "NUCLEO_L476RG",
@@ -286,7 +273,6 @@ linking_list = [
             {"target": "DISCO_F407VG",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
              {"target": "DISCO_F413ZH",
@@ -297,19 +283,16 @@ linking_list = [
             {"target": "NUCLEO_F303ZE",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                      }
             },
             {"target": "DISCO_L475VG_IOT01A",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "DISCO_L476VG",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "DISCO_L072CZ_LRWAN1",
@@ -329,19 +312,16 @@ linking_list = [
             {"target": "NUMAKER_PFM_NUC472",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "NUMAKER_PFM_M453",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              },
             {"target": "NUMAKER_PFM_M487",
              "toolchains": "GCC_ARM",
              "tests": {""     : ["MBED_2", "MBED_10", "MBED_11", "MBED_16"],
-                       "usb"  : ["USB_1", "USB_2" ,"USB_3"],
                        }
              }
         )