diff --git a/pkgs/development/r-modules/patches/gmatrix.patch b/pkgs/development/r-modules/patches/gmatrix.patch
deleted file mode 100644
index 990debb8a42..00000000000
--- a/pkgs/development/r-modules/patches/gmatrix.patch
+++ /dev/null
@@ -1,48 +0,0 @@
-diff -ru -x '*~' gmatrix_orig/src/Makefile gmatrix/src/Makefile
---- gmatrix_orig/src/Makefile	2014-08-27 02:42:04.000000000 +0900
-+++ gmatrix/src/Makefile	2014-10-25 15:35:29.797202981 +0900
-@@ -21,6 +21,7 @@
- # to the manual on the gmatrix install instructions)
- CUDA_LIB_PATH ?= /usr/local/cuda/lib64
- R_INC_PATH    ?= /usr/include/R
-+CUDA_INC_PATH ?= /usr/local/cuda/include
- 
- 
- # Nvidia CUDA Compiler
-@@ -49,25 +50,25 @@
- # Build rules
- build: $(OUT_OBJ)
- 	$(R_CC) $(OUT_OBJ) -o $(OUT_SO) $(LIBS) -L$(CUDA_LIB_PATH)
--	
-+
- conversions.o: 
--	$(NVCC) -c conversions.cu -o conversions.o $(NVCC_FLAGS)  -I$(R_INC_PATH)
--	
-+	$(NVCC) -c conversions.cu -o conversions.o $(NVCC_FLAGS)  -I$(R_INC_PATH) -I${CUDA_INC_PATH}
-+
- manipulation.o: 
--	$(NVCC) -c manipulation.cu -o manipulation.o $(NVCC_FLAGS)  -I$(R_INC_PATH)
-+	$(NVCC) -c manipulation.cu -o manipulation.o $(NVCC_FLAGS)  -I$(R_INC_PATH) -I${CUDA_INC_PATH}
- 
- general.o:
--	$(NVCC) -c general.cu -o general.o $(NVCC_FLAGS) -I$(R_INC_PATH)
-+	$(NVCC) -c general.cu -o general.o $(NVCC_FLAGS) -I$(R_INC_PATH) -I${CUDA_INC_PATH}
- 
- matrix.o: 
--	$(NVCC) -c matrix.cu -o matrix.o $(NVCC_FLAGS) -I$(R_INC_PATH)
-- 	
-+	$(NVCC) -c matrix.cu -o matrix.o $(NVCC_FLAGS) -I$(R_INC_PATH) -I${CUDA_INC_PATH}
-+
- ops.o: 
--	$(NVCC) -c ops.cu -o ops.o $(NVCC_FLAGS) -I$(R_INC_PATH)
--	
-+	$(NVCC) -c ops.cu -o ops.o $(NVCC_FLAGS) -I$(R_INC_PATH) -I${CUDA_INC_PATH}
-+
- dist.o: 
--	$(NVCC) -c dist.cu -o dist.o $(NVCC_FLAGS) -I$(R_INC_PATH)
-- 	
-+	$(NVCC) -c dist.cu -o dist.o $(NVCC_FLAGS) -I$(R_INC_PATH) -I${CUDA_INC_PATH}
-+
- 
- clean:
- 	-rm -f *.o core
diff --git a/pkgs/development/r-modules/patches/gputools.patch b/pkgs/development/r-modules/patches/gputools.patch
deleted file mode 100644
index 1eb0c8c33ca..00000000000
--- a/pkgs/development/r-modules/patches/gputools.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff -ru -x '*~' gputools_orig/src/Makefile gputools/src/Makefile
---- gputools_orig/src/Makefile	2013-05-09 01:43:32.000000000 +0900
-+++ gputools/src/Makefile	2014-10-21 21:41:23.067148490 +0900
-@@ -6,6 +6,9 @@
- 
- R_HOME := $(shell R RHOME)
- 
-+CUDA_INC := $(CUDA_HOME)/include
-+CUDA_LIB := $(CUDA_HOME)/lib
-+
- #compiler/preprocessor options
- INCS := -I. -I"$(CUDA_INC)" -I"$(R_INC)"
- PARAMS := $(DEVICEOPTS) -Xcompiler $(CPICFLAGS)