diff --git a/support/scripts/gen-bootlin-toolchains b/support/scripts/gen-bootlin-toolchains
index 36727c8fea..5e1e315f6d 100755
--- a/support/scripts/gen-bootlin-toolchains
+++ b/support/scripts/gen-bootlin-toolchains
@@ -99,11 +99,6 @@ arches = {
         'conditions': ['BR2_mipsel', 'BR2_mips_32r6', '!BR2_MIPS_SOFT_FLOAT'],
         'prefix': 'mipsel',
     },
-    'mips64': {
-        # Not sure it could be used by other mips64 variants?
-        'conditions': ['BR2_mips64', 'BR2_mips_64', '!BR2_MIPS_SOFT_FLOAT'],
-        'prefix': 'mips64',
-    },
     'mips64-n32': {
         # Not sure it could be used by other mips64 variants?
         'conditions': ['BR2_mips64', 'BR2_mips_64', 'BR2_MIPS_NABI32', '!BR2_MIPS_SOFT_FLOAT'],