diff --git a/src/liboslcomp/symtab.cpp b/src/liboslcomp/symtab.cpp
index da768f39a..845553ea6 100644
--- a/src/liboslcomp/symtab.cpp
+++ b/src/liboslcomp/symtab.cpp
@@ -5,7 +5,8 @@
 #include <string>
 #include <vector>
 
-#include "oslcomp_pvt.h"
+#include "osl_pvt.h"
+#include "symtab.h"
 
 #include <OpenImageIO/strutil.h>
 namespace Strutil = OIIO::Strutil;
diff --git a/src/liboslexec/batched_llvm_instance.cpp b/src/liboslexec/batched_llvm_instance.cpp
index a8fb3eb8c..35cecb04c 100644
--- a/src/liboslexec/batched_llvm_instance.cpp
+++ b/src/liboslexec/batched_llvm_instance.cpp
@@ -27,7 +27,6 @@
 #include <llvm/IR/Constant.h>
 #include <llvm/IR/DerivedTypes.h>
 
-#include "../liboslcomp/oslcomp_pvt.h"
 #include "batched_backendllvm.h"
 #include "oslexec_pvt.h"
 
diff --git a/src/liboslexec/llvm_instance.cpp b/src/liboslexec/llvm_instance.cpp
index 8554925dd..fe59bc128 100644
--- a/src/liboslexec/llvm_instance.cpp
+++ b/src/liboslexec/llvm_instance.cpp
@@ -18,7 +18,6 @@
 #include <OpenImageIO/sysutil.h>
 #include <OpenImageIO/timer.h>
 
-#include "../liboslcomp/oslcomp_pvt.h"
 #include "oslexec_pvt.h"
 #include "backendllvm.h"
 
diff --git a/src/liboslexec/master.cpp b/src/liboslexec/master.cpp
index 9cc152f76..f1a5fe169 100644
--- a/src/liboslexec/master.cpp
+++ b/src/liboslexec/master.cpp
@@ -11,7 +11,6 @@
 #include <OpenImageIO/strutil.h>
 #include <OpenImageIO/thread.h>
 
-#include "../liboslcomp/oslcomp_pvt.h"
 #include "oslexec_pvt.h"
 
 
diff --git a/src/liboslexec/runtimeoptimize.cpp b/src/liboslexec/runtimeoptimize.cpp
index 2248337db..aa3acdcf3 100644
--- a/src/liboslexec/runtimeoptimize.cpp
+++ b/src/liboslexec/runtimeoptimize.cpp
@@ -10,7 +10,6 @@
 #include <OpenImageIO/thread.h>
 #include <OpenImageIO/timer.h>
 
-#include "../liboslcomp/oslcomp_pvt.h"
 #include "batched_analysis.h"
 #include "oslexec_pvt.h"
 #include "runtimeoptimize.h"