diff --git a/src/runtime/c/Makefile.am b/src/runtime/c/Makefile.am
index 5fe493c65..4129c6157 100644
--- a/src/runtime/c/Makefile.am
+++ b/src/runtime/c/Makefile.am
@@ -32,7 +32,6 @@ pgfincludedir=$(includedir)/pgf
 pgfinclude_HEADERS = \
 	pgf/expr.h \
 	pgf/linearizer.h \
-	pgf/parser.h \
 	pgf/literals.h \
 	pgf/graphviz.h \
 	pgf/pgf.h
@@ -65,7 +64,6 @@ libpgf_la_SOURCES = \
 	pgf/expr.c \
 	pgf/expr.h \
 	pgf/parser.c \
-	pgf/parser.h \
 	pgf/jit.c \
 	pgf/parseval.c \
 	pgf/literals.c \
diff --git a/src/runtime/c/pgf/literals.c b/src/runtime/c/pgf/literals.c
index 9ec22b686..51a426031 100644
--- a/src/runtime/c/pgf/literals.c
+++ b/src/runtime/c/pgf/literals.c
@@ -1,6 +1,5 @@
 #include <gu/in.h>
 #include <gu/utf8.h>
-#include <pgf/parser.h>
 #include <pgf/literals.h>
 #include <wctype.h>
 
diff --git a/src/runtime/c/pgf/parser.c b/src/runtime/c/pgf/parser.c
index ffb2f4a0f..b360e0e81 100644
--- a/src/runtime/c/pgf/parser.c
+++ b/src/runtime/c/pgf/parser.c
@@ -1,5 +1,7 @@
-#include <pgf/parser.h>
+#include <pgf/data.h>
+#include <pgf/expr.h>
 #include <pgf/linearizer.h>
+#include <gu/enum.h>
 #include <gu/seq.h>
 #include <gu/assert.h>
 #include <gu/choice.h>
diff --git a/src/runtime/c/pgf/parser.h b/src/runtime/c/pgf/parser.h
deleted file mode 100644
index afe443042..000000000
--- a/src/runtime/c/pgf/parser.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef PGF_PARSER_H_
-#define PGF_PARSER_H_
-
-#include <gu/enum.h>
-#include <pgf/data.h>
-#include <pgf/expr.h>
-
-#endif // PGF_PARSER_H_
diff --git a/src/runtime/c/pgf/parseval.c b/src/runtime/c/pgf/parseval.c
index 638ee79eb..cbea3d429 100644
--- a/src/runtime/c/pgf/parseval.c
+++ b/src/runtime/c/pgf/parseval.c
@@ -1,7 +1,7 @@
 #include <pgf/pgf.h>
 #include <pgf/data.h>
 #include <pgf/linearizer.h>
-#include <pgf/parser.h>
+#include <gu/enum.h>
 
 typedef struct {
 	int start, end;
diff --git a/src/runtime/c/pgf/pgf.c b/src/runtime/c/pgf/pgf.c
index 9fc4b9b6c..0412099e1 100644
--- a/src/runtime/c/pgf/pgf.c
+++ b/src/runtime/c/pgf/pgf.c
@@ -3,7 +3,6 @@
 #include <pgf/expr.h>
 #include <pgf/reader.h>
 #include <pgf/linearizer.h>
-#include <pgf/parser.h>
 #include <gu/file.h>
 #include <gu/string.h>
 #include <gu/enum.h>
diff --git a/src/runtime/c/utils/pgf-parse.c b/src/runtime/c/utils/pgf-parse.c
index 182ed31b4..eb417d5e7 100644
--- a/src/runtime/c/utils/pgf-parse.c
+++ b/src/runtime/c/utils/pgf-parse.c
@@ -4,7 +4,6 @@
 #include <gu/file.h>
 #include <pgf/pgf.h>
 #include <pgf/data.h>
-#include <pgf/parser.h>
 #include <pgf/literals.h>
 #include <pgf/linearizer.h>
 #include <pgf/expr.h>
diff --git a/src/runtime/c/utils/pgf-translate.c b/src/runtime/c/utils/pgf-translate.c
index 6a3a24b16..0f3b297aa 100644
--- a/src/runtime/c/utils/pgf-translate.c
+++ b/src/runtime/c/utils/pgf-translate.c
@@ -4,7 +4,6 @@
 #include <gu/file.h>
 #include <gu/exn.h>
 #include <pgf/pgf.h>
-#include <pgf/parser.h>
 #include <pgf/literals.h>
 #include <pgf/linearizer.h>
 #include <stdio.h>