diff --git a/dlls/d3dcompiler_43/reflection.c b/dlls/d3dcompiler_43/reflection.c
index f516e4a0449..77e7ac38906 100644
--- a/dlls/d3dcompiler_43/reflection.c
+++ b/dlls/d3dcompiler_43/reflection.c
@@ -445,7 +445,7 @@ static struct ID3D11ShaderReflectionConstantBuffer * STDMETHODCALLTYPE d3dcompil
 }
 
 static struct ID3D11ShaderReflectionConstantBuffer * STDMETHODCALLTYPE d3dcompiler_shader_reflection_GetConstantBufferByName(
-        ID3D11ShaderReflection *iface, LPCSTR name)
+        ID3D11ShaderReflection *iface, const char *name)
 {
     struct d3dcompiler_shader_reflection *This = impl_from_ID3D11ShaderReflection(iface);
     unsigned int i;
@@ -547,7 +547,7 @@ static HRESULT STDMETHODCALLTYPE d3dcompiler_shader_reflection_GetPatchConstantP
 }
 
 static struct ID3D11ShaderReflectionVariable * STDMETHODCALLTYPE d3dcompiler_shader_reflection_GetVariableByName(
-        ID3D11ShaderReflection *iface, LPCSTR name)
+        ID3D11ShaderReflection *iface, const char *name)
 {
     struct d3dcompiler_shader_reflection *This = impl_from_ID3D11ShaderReflection(iface);
     unsigned int i, k;
@@ -582,7 +582,7 @@ static struct ID3D11ShaderReflectionVariable * STDMETHODCALLTYPE d3dcompiler_sha
 }
 
 static HRESULT STDMETHODCALLTYPE d3dcompiler_shader_reflection_GetResourceBindingDescByName(
-        ID3D11ShaderReflection *iface, LPCSTR name, D3D11_SHADER_INPUT_BIND_DESC *desc)
+        ID3D11ShaderReflection *iface, const char *name, D3D11_SHADER_INPUT_BIND_DESC *desc)
 {
     struct d3dcompiler_shader_reflection *This = impl_from_ID3D11ShaderReflection(iface);
     unsigned int i;
@@ -767,7 +767,7 @@ static ID3D11ShaderReflectionVariable * STDMETHODCALLTYPE d3dcompiler_shader_ref
 }
 
 static ID3D11ShaderReflectionVariable * STDMETHODCALLTYPE d3dcompiler_shader_reflection_constant_buffer_GetVariableByName(
-        ID3D11ShaderReflectionConstantBuffer *iface, LPCSTR name)
+        ID3D11ShaderReflectionConstantBuffer *iface, const char *name)
 {
     struct d3dcompiler_shader_reflection_constant_buffer *This = impl_from_ID3D11ShaderReflectionConstantBuffer(iface);
     unsigned int i;
@@ -924,7 +924,7 @@ static ID3D11ShaderReflectionType * STDMETHODCALLTYPE d3dcompiler_shader_reflect
 }
 
 static ID3D11ShaderReflectionType * STDMETHODCALLTYPE d3dcompiler_shader_reflection_type_GetMemberTypeByName(
-        ID3D11ShaderReflectionType *iface, LPCSTR name)
+        ID3D11ShaderReflectionType *iface, const char *name)
 {
     struct d3dcompiler_shader_reflection_type *This = impl_from_ID3D11ShaderReflectionType(iface);
     unsigned int i;
@@ -953,7 +953,7 @@ static ID3D11ShaderReflectionType * STDMETHODCALLTYPE d3dcompiler_shader_reflect
     return &null_type.ID3D11ShaderReflectionType_iface;
 }
 
-static LPCSTR STDMETHODCALLTYPE d3dcompiler_shader_reflection_type_GetMemberTypeName(
+static const char * STDMETHODCALLTYPE d3dcompiler_shader_reflection_type_GetMemberTypeName(
         ID3D11ShaderReflectionType *iface, UINT index)
 {
     struct d3dcompiler_shader_reflection_type *This = impl_from_ID3D11ShaderReflectionType(iface);
diff --git a/dlls/d3dcompiler_43/tests/asm.c b/dlls/d3dcompiler_43/tests/asm.c
index e966f9430f4..cb1453fbfa2 100644
--- a/dlls/d3dcompiler_43/tests/asm.c
+++ b/dlls/d3dcompiler_43/tests/asm.c
@@ -27,10 +27,8 @@
    perhaps with a different name? */
 #define D3DXERR_INVALIDDATA                      0x88760b59
 
-HRESULT WINAPI D3DAssemble(LPCVOID data, SIZE_T datasize, LPCSTR filename,
-                           const D3D_SHADER_MACRO *defines, LPD3DINCLUDE include,
-                           UINT flags,
-                           LPD3DBLOB* shader, LPD3DBLOB* error_messages);
+HRESULT WINAPI D3DAssemble(const void *data, SIZE_T datasize, const char *filename, const D3D_SHADER_MACRO *defines,
+        ID3DInclude *include, UINT flags, ID3DBlob **shader, ID3DBlob **error_messages);
 
 struct shader_test {
     const char *text;
diff --git a/include/d3d11shader.h b/include/d3d11shader.h
index 6a0ee5137df..ea271f6b9d8 100644
--- a/include/d3d11shader.h
+++ b/include/d3d11shader.h
@@ -35,7 +35,7 @@ typedef D3D_TESSELLATOR_OUTPUT_PRIMITIVE D3D11_TESSELLATOR_OUTPUT_PRIMITIVE;
 typedef struct _D3D11_SHADER_DESC
 {
     UINT Version;
-    LPCSTR Creator;
+    const char *Creator;
     UINT Flags;
     UINT ConstantBuffers;
     UINT BoundResources;
@@ -76,7 +76,7 @@ typedef struct _D3D11_SHADER_DESC
 
 typedef struct _D3D11_SHADER_VARIABLE_DESC
 {
-    LPCSTR Name;
+    const char *Name;
     UINT StartOffset;
     UINT Size;
     UINT uFlags;
@@ -96,12 +96,12 @@ typedef struct _D3D11_SHADER_TYPE_DESC
     UINT Elements;
     UINT Members;
     UINT Offset;
-    LPCSTR Name;
+    const char *Name;
 } D3D11_SHADER_TYPE_DESC;
 
 typedef struct _D3D11_SHADER_BUFFER_DESC
 {
-    LPCSTR Name;
+    const char *Name;
     D3D_CBUFFER_TYPE Type;
     UINT Variables;
     UINT Size;
@@ -110,7 +110,7 @@ typedef struct _D3D11_SHADER_BUFFER_DESC
 
 typedef struct _D3D11_SHADER_INPUT_BIND_DESC
 {
-    LPCSTR Name;
+    const char *Name;
     D3D_SHADER_INPUT_TYPE Type;
     UINT BindPoint;
     UINT BindCount;
@@ -122,7 +122,7 @@ typedef struct _D3D11_SHADER_INPUT_BIND_DESC
 
 typedef struct _D3D11_SIGNATURE_PARAMETER_DESC
 {
-    LPCSTR SemanticName;
+    const char *SemanticName;
     UINT SemanticIndex;
     UINT Register;
     D3D_NAME SystemValueType;
@@ -139,8 +139,8 @@ DECLARE_INTERFACE(ID3D11ShaderReflectionType)
 {
     STDMETHOD(GetDesc)(THIS_ D3D11_SHADER_TYPE_DESC *desc) PURE;
     STDMETHOD_(struct ID3D11ShaderReflectionType *, GetMemberTypeByIndex)(THIS_ UINT index) PURE;
-    STDMETHOD_(struct ID3D11ShaderReflectionType *, GetMemberTypeByName)(THIS_ LPCSTR name) PURE;
-    STDMETHOD_(LPCSTR, GetMemberTypeName)(THIS_ UINT index) PURE;
+    STDMETHOD_(struct ID3D11ShaderReflectionType *, GetMemberTypeByName)(THIS_ const char *name) PURE;
+    STDMETHOD_(const char *, GetMemberTypeName)(THIS_ UINT index) PURE;
     STDMETHOD(IsEqual)(THIS_ struct ID3D11ShaderReflectionType *type) PURE;
     STDMETHOD_(struct ID3D11ShaderReflectionType *, GetSubType)(THIS) PURE;
     STDMETHOD_(struct ID3D11ShaderReflectionType *, GetBaseClass)(THIS) PURE;
@@ -170,7 +170,7 @@ DECLARE_INTERFACE(ID3D11ShaderReflectionConstantBuffer)
 {
     STDMETHOD(GetDesc)(THIS_ D3D11_SHADER_BUFFER_DESC *desc) PURE;
     STDMETHOD_(struct ID3D11ShaderReflectionVariable *, GetVariableByIndex)(THIS_ UINT index) PURE;
-    STDMETHOD_(struct ID3D11ShaderReflectionVariable *, GetVariableByName)(THIS_ LPCSTR name) PURE;
+    STDMETHOD_(struct ID3D11ShaderReflectionVariable *, GetVariableByName)(THIS_ const char *name) PURE;
 };
 #undef INTERFACE
 
@@ -186,13 +186,13 @@ DECLARE_INTERFACE_(ID3D11ShaderReflection, IUnknown)
     /* ID3D11ShaderReflection methods */
     STDMETHOD(GetDesc)(THIS_ D3D11_SHADER_DESC *desc) PURE;
     STDMETHOD_(struct ID3D11ShaderReflectionConstantBuffer *, GetConstantBufferByIndex)(THIS_ UINT index) PURE;
-    STDMETHOD_(struct ID3D11ShaderReflectionConstantBuffer *, GetConstantBufferByName)(THIS_ LPCSTR name) PURE;
+    STDMETHOD_(struct ID3D11ShaderReflectionConstantBuffer *, GetConstantBufferByName)(THIS_ const char *name) PURE;
     STDMETHOD(GetResourceBindingDesc)(THIS_ UINT index, D3D11_SHADER_INPUT_BIND_DESC *desc) PURE;
     STDMETHOD(GetInputParameterDesc)(THIS_ UINT index, D3D11_SIGNATURE_PARAMETER_DESC *desc) PURE;
     STDMETHOD(GetOutputParameterDesc)(THIS_ UINT index, D3D11_SIGNATURE_PARAMETER_DESC *desc) PURE;
     STDMETHOD(GetPatchConstantParameterDesc)(THIS_ UINT index, D3D11_SIGNATURE_PARAMETER_DESC *desc) PURE;
-    STDMETHOD_(struct ID3D11ShaderReflectionVariable *, GetVariableByName)(THIS_ LPCSTR name) PURE;
-    STDMETHOD(GetResourceBindingDescByName)(THIS_ LPCSTR name, D3D11_SHADER_INPUT_BIND_DESC *desc) PURE;
+    STDMETHOD_(struct ID3D11ShaderReflectionVariable *, GetVariableByName)(THIS_ const char *name) PURE;
+    STDMETHOD(GetResourceBindingDescByName)(THIS_ const char *name, D3D11_SHADER_INPUT_BIND_DESC *desc) PURE;
     STDMETHOD_(UINT, GetMovInstructionCount)(THIS) PURE;
     STDMETHOD_(UINT, GetMovcInstructionCount)(THIS) PURE;
     STDMETHOD_(UINT, GetConversionInstructionCount)(THIS) PURE;