diff --git a/renderdoc/driver/shaders/dxbc/dxbc_bytecode.cpp b/renderdoc/driver/shaders/dxbc/dxbc_bytecode.cpp
index 70d335d7c..75710bf40 100644
--- a/renderdoc/driver/shaders/dxbc/dxbc_bytecode.cpp
+++ b/renderdoc/driver/shaders/dxbc/dxbc_bytecode.cpp
@@ -450,11 +450,6 @@ D3D_PRIMITIVE_TOPOLOGY Program::GetOutputTopology()
   return D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST;
 }
 
-uint32_t Program::GetDisassemblyLine(uint32_t instruction) const
-{
-  return m_Instructions[RDCMIN(m_Instructions.size() - 1, (size_t)instruction)].line;
-}
-
 void Program::SetupRegisterFile(rdcarray<ShaderVariable> &registers) const
 {
   size_t numRegisters = m_NumTemps + m_IndexTempSizes.size() + m_NumOutputs;
diff --git a/renderdoc/driver/shaders/dxbc/dxbc_bytecode.h b/renderdoc/driver/shaders/dxbc/dxbc_bytecode.h
index e5fe0ebd1..bbd8ef913 100644
--- a/renderdoc/driver/shaders/dxbc/dxbc_bytecode.h
+++ b/renderdoc/driver/shaders/dxbc/dxbc_bytecode.h
@@ -962,7 +962,6 @@ public:
       MakeDisassemblyString();
     return m_Disassembly;
   }
-  uint32_t GetDisassemblyLine(uint32_t instruction) const;
   size_t GetNumDeclarations() const { return m_Declarations.size(); }
   const Declaration &GetDeclaration(size_t i) const { return m_Declarations[i]; }
   const Declaration *FindDeclaration(OperandType declType, uint32_t identifier) const;
diff --git a/renderdoc/driver/shaders/dxil/dxil_bytecode.cpp b/renderdoc/driver/shaders/dxil/dxil_bytecode.cpp
index 145207116..e266eb02c 100644
--- a/renderdoc/driver/shaders/dxil/dxil_bytecode.cpp
+++ b/renderdoc/driver/shaders/dxil/dxil_bytecode.cpp
@@ -1250,11 +1250,6 @@ D3D_PRIMITIVE_TOPOLOGY Program::GetOutputTopology()
   return D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST;
 }
 
-uint32_t Program::GetDisassemblyLine(uint32_t instruction) const
-{
-  return 0;
-}
-
 void Program::MakeDisassemblyString()
 {
   const char *shaderName[] = {
diff --git a/renderdoc/driver/shaders/dxil/dxil_bytecode.h b/renderdoc/driver/shaders/dxil/dxil_bytecode.h
index c0bef610e..cd19ceb70 100644
--- a/renderdoc/driver/shaders/dxil/dxil_bytecode.h
+++ b/renderdoc/driver/shaders/dxil/dxil_bytecode.h
@@ -264,7 +264,6 @@ public:
       MakeDisassemblyString();
     return m_Disassembly;
   }
-  uint32_t GetDisassemblyLine(uint32_t instruction) const;
 
 private:
   void MakeDisassemblyString();