diff --git a/gdb/config/mips/tm-mips.h b/gdb/config/mips/tm-mips.h
index ffa5bd4c52..6a7091a528 100644
--- a/gdb/config/mips/tm-mips.h
+++ b/gdb/config/mips/tm-mips.h
@@ -61,20 +61,6 @@ struct value;
 /* Floating point is IEEE compliant */
 #define IEEE_FLOAT
 
-/* Some MIPS boards are provided both with and without a floating
-   point coprocessor.  The MIPS R4650 chip has only single precision
-   floating point.  We provide a user settable variable to tell gdb
-   what type of floating point to use.  */
-
-enum mips_fpu_type
-{
-  MIPS_FPU_DOUBLE,	/* Full double precision floating point.  */
-  MIPS_FPU_SINGLE,	/* Single precision floating point (R4650).  */
-  MIPS_FPU_NONE		/* No floating point.  */
-};
-
-extern enum mips_fpu_type mips_fpu;
-
 /* The name of the usual type of MIPS processor that is in the target
    system.  */
 
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index 9b84291aec..23ab53103c 100644
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -3366,6 +3366,7 @@ mips_gdbarch_init (info, arches)
 	   && info.bfd_arch_info->arch == bfd_arch_mips)
     switch (info.bfd_arch_info->mach)
       {
+      case bfd_mach_mips4100:
       case bfd_mach_mips4111:
       case bfd_mach_mips4121:
 	tdep->mips_fpu_type = MIPS_FPU_NONE;