diff --git a/src/arch/alpha/registers.hh b/src/arch/alpha/registers.hh
index 2bff11b..6c71320 100644
--- a/src/arch/alpha/registers.hh
+++ b/src/arch/alpha/registers.hh
@@ -48,7 +48,6 @@
 typedef RegVal IntReg;
 
 // floating point register file entry type
-typedef FloatRegVal FloatReg;
 typedef RegVal FloatRegBits;
 
 // control register file contents
diff --git a/src/arch/mips/registers.hh b/src/arch/mips/registers.hh
index d2095d8..6f7097b 100644
--- a/src/arch/mips/registers.hh
+++ b/src/arch/mips/registers.hh
@@ -282,7 +282,6 @@
 
 // floating point register file entry type
 typedef RegVal FloatRegBits;
-typedef FloatRegVal FloatReg;
 
 // cop-0/cop-1 system control register
 typedef RegVal MiscReg;
diff --git a/src/arch/null/registers.hh b/src/arch/null/registers.hh
index 527193c..fb815af 100644
--- a/src/arch/null/registers.hh
+++ b/src/arch/null/registers.hh
@@ -48,7 +48,6 @@
 
 typedef RegVal IntReg;
 typedef RegVal FloatRegBits;
-typedef FloatRegVal FloatReg;
 typedef uint8_t CCReg;
 typedef RegVal MiscReg;
 const RegIndex ZeroReg = 0;
diff --git a/src/arch/power/registers.hh b/src/arch/power/registers.hh
index 39f7d34..989b4c5 100644
--- a/src/arch/power/registers.hh
+++ b/src/arch/power/registers.hh
@@ -49,7 +49,6 @@
 
 // Floating point register file entry type
 typedef RegVal FloatRegBits;
-typedef FloatRegVal FloatReg;
 typedef RegVal MiscReg;
 
 // dummy typedef since we don't have CC regs
diff --git a/src/arch/riscv/registers.hh b/src/arch/riscv/registers.hh
index 75f74ef..2de154e 100644
--- a/src/arch/riscv/registers.hh
+++ b/src/arch/riscv/registers.hh
@@ -65,7 +65,6 @@
 
 typedef RegVal IntReg;
 typedef RegVal FloatRegBits;
-typedef FloatRegVal FloatReg;
 typedef uint8_t CCReg; // Not applicable to Riscv
 typedef RegVal MiscReg;
 
diff --git a/src/arch/x86/registers.hh b/src/arch/x86/registers.hh
index a2a74cc..509f7a1 100644
--- a/src/arch/x86/registers.hh
+++ b/src/arch/x86/registers.hh
@@ -105,7 +105,6 @@
 
 //These floating point types are correct for mmx, but not
 //technically for x87 (80 bits) or at all for xmm (128 bits)
-typedef FloatRegVal FloatReg;
 typedef RegVal FloatRegBits;
 
 } // namespace X86ISA
diff --git a/src/base/types.hh b/src/base/types.hh
index c02a606..d993845 100644
--- a/src/base/types.hh
+++ b/src/base/types.hh
@@ -166,7 +166,6 @@
 const Addr MaxAddr = (Addr)-1;
 
 typedef uint64_t RegVal;
-typedef double FloatRegVal;
 
 static inline uint32_t
 floatToBits32(float val)