diff --git a/lib/systems/examples.nix b/lib/systems/examples.nix
index 4edbf4df4b61..45b95c150fce 100644
--- a/lib/systems/examples.nix
+++ b/lib/systems/examples.nix
@@ -91,22 +91,16 @@ rec {
   } // platforms.fuloong2f_n32;
 
   # can execute on 32bit chip
-  mips-linux-gnu                = { config = "mips-unknown-linux-gnu";                } // platforms.gcc_mips32r2_o32;
-  mipsel-linux-gnu              = { config = "mipsel-unknown-linux-gnu";              } // platforms.gcc_mips32r2_o32;
-  mipsisa32r6-linux-gnu         = { config = "mipsisa32r6-unknown-linux-gnu";         } // platforms.gcc_mips32r6_o32;
-  mipsisa32r6el-linux-gnu       = { config = "mipsisa32r6el-unknown-linux-gnu";       } // platforms.gcc_mips32r6_o32;
+  mips-linux-gnu           = { config = "mips-unknown-linux-gnu";           } // platforms.gcc_mips32r2_o32;
+  mipsel-linux-gnu         = { config = "mipsel-unknown-linux-gnu";         } // platforms.gcc_mips32r2_o32;
 
   # require 64bit chip (for more registers, 64-bit floating point, 64-bit "long long") but use 32bit pointers
-  mips64-linux-gnuabin32        = { config = "mips64-unknown-linux-gnuabin32";        } // platforms.gcc_mips64r2_n32;
-  mips64el-linux-gnuabin32      = { config = "mips64el-unknown-linux-gnuabin32";      } // platforms.gcc_mips64r2_n32;
-  mipsisa64r6-linux-gnuabin32   = { config = "mipsisa64r6-unknown-linux-gnuabin32";   } // platforms.gcc_mips64r6_n32;
-  mipsisa64r6el-linux-gnuabin32 = { config = "mipsisa64r6el-unknown-linux-gnuabin32"; } // platforms.gcc_mips64r6_n32;
+  mips64-linux-gnuabin32   = { config = "mips64-unknown-linux-gnuabin32";   } // platforms.gcc_mips64r2_n32;
+  mips64el-linux-gnuabin32 = { config = "mips64el-unknown-linux-gnuabin32"; } // platforms.gcc_mips64r2_n32;
 
   # 64bit pointers
-  mips64-linux-gnuabi64         = { config = "mips64-unknown-linux-gnuabi64";         } // platforms.gcc_mips64r2_64;
-  mips64el-linux-gnuabi64       = { config = "mips64el-unknown-linux-gnuabi64";       } // platforms.gcc_mips64r2_64;
-  mipsisa64r6-linux-gnuabi64    = { config = "mipsisa64r6-unknown-linux-gnuabi64";    } // platforms.gcc_mips64r6_64;
-  mipsisa64r6el-linux-gnuabi64  = { config = "mipsisa64r6el-unknown-linux-gnuabi64";  } // platforms.gcc_mips64r6_64;
+  mips64-linux-gnuabi64    = { config = "mips64-unknown-linux-gnuabi64";    } // platforms.gcc_mips64r2_64;
+  mips64el-linux-gnuabi64  = { config = "mips64el-unknown-linux-gnuabi64";  } // platforms.gcc_mips64r2_64;
 
   muslpi = raspberryPi // {
     config = "armv6l-unknown-linux-musleabihf";
diff --git a/lib/systems/parse.nix b/lib/systems/parse.nix
index ea8e1ff8fcf0..6eb4f27cc519 100644
--- a/lib/systems/parse.nix
+++ b/lib/systems/parse.nix
@@ -91,14 +91,10 @@ rec {
     microblaze   = { bits = 32; significantByte = bigEndian;    family = "microblaze"; };
     microblazeel = { bits = 32; significantByte = littleEndian; family = "microblaze"; };
 
-    mips          = { bits = 32; significantByte = bigEndian;    family = "mips"; };
-    mipsel        = { bits = 32; significantByte = littleEndian; family = "mips"; };
-    mipsisa32r6   = { bits = 32; significantByte = bigEndian;    family = "mips"; };
-    mipsisa32r6el = { bits = 32; significantByte = littleEndian; family = "mips"; };
-    mips64        = { bits = 64; significantByte = bigEndian;    family = "mips"; };
-    mips64el      = { bits = 64; significantByte = littleEndian; family = "mips"; };
-    mipsisa64r6   = { bits = 64; significantByte = bigEndian;    family = "mips"; };
-    mipsisa64r6el = { bits = 64; significantByte = littleEndian; family = "mips"; };
+    mips     = { bits = 32; significantByte = bigEndian;    family = "mips"; };
+    mipsel   = { bits = 32; significantByte = littleEndian; family = "mips"; };
+    mips64   = { bits = 64; significantByte = bigEndian;    family = "mips"; };
+    mips64el = { bits = 64; significantByte = littleEndian; family = "mips"; };
 
     mmix     = { bits = 64; significantByte = bigEndian;    family = "mmix"; };