diff --git a/techlibs/common/Makefile.inc b/techlibs/common/Makefile.inc
index e76d70a1a8e..22b11980018 100644
--- a/techlibs/common/Makefile.inc
+++ b/techlibs/common/Makefile.inc
@@ -28,7 +28,6 @@ $(eval $(call add_share_file,share,techlibs/common/adff2dff.v))
 $(eval $(call add_share_file,share,techlibs/common/dff2ff.v))
 $(eval $(call add_share_file,share,techlibs/common/gate2lut.v))
 $(eval $(call add_share_file,share,techlibs/common/cmp2lut.v))
-$(eval $(call add_share_file,share,techlibs/common/cells.lib))
 $(eval $(call add_share_file,share,techlibs/common/mul2dsp.v))
 $(eval $(call add_share_file,share,techlibs/common/abc9_model.v))
 $(eval $(call add_share_file,share,techlibs/common/abc9_map.v))
diff --git a/techlibs/common/cells.lib b/techlibs/common/cells.lib
deleted file mode 100644
index eb89036d7b0..00000000000
--- a/techlibs/common/cells.lib
+++ /dev/null
@@ -1,108 +0,0 @@
-library(yosys_cells) {
-	cell(DFF_N) {
-		ff(IQ, IQN) {
-			clocked_on: "!C";
-			next_state: "D";
-		}
-		pin(D) { direction: input; }
-		pin(C) { direction: input; clock: true; }
-		pin(Q) { direction: output; function: "IQ"; }
-	}
-	cell(DFF_P) {
-		ff(IQ, IQN) {
-			clocked_on: "C";
-			next_state: "D";
-		}
-		pin(D) { direction: input; }
-		pin(C) { direction: input; clock: true; }
-		pin(Q) { direction: output; function: "IQ"; }
-	}
-	cell(DFF_NN0) {
-		ff(IQ, IQN) {
-			clocked_on: "!C";
-			next_state: "D";
-			clear: "!R";
-		}
-		pin(D) { direction: input; }
-		pin(R) { direction: input; }
-		pin(C) { direction: input; clock: true; }
-		pin(Q) { direction: output; function: "IQ"; }
-	}
-	cell(DFF_NN1) {
-		ff(IQ, IQN) {
-			clocked_on: "!C";
-			next_state: "D";
-			preset: "!R";
-		}
-		pin(D) { direction: input; }
-		pin(R) { direction: input; }
-		pin(C) { direction: input; clock: true; }
-		pin(Q) { direction: output; function: "IQ"; }
-	}
-	cell(DFF_NP0) {
-		ff(IQ, IQN) {
-			clocked_on: "!C";
-			next_state: "D";
-			clear: "R";
-		}
-		pin(D) { direction: input; }
-		pin(R) { direction: input; }
-		pin(C) { direction: input; clock: true; }
-		pin(Q) { direction: output; function: "IQ"; }
-	}
-	cell(DFF_NP1) {
-		ff(IQ, IQN) {
-			clocked_on: "!C";
-			next_state: "D";
-			preset: "R";
-		}
-		pin(D) { direction: input; }
-		pin(R) { direction: input; }
-		pin(C) { direction: input; clock: true; }
-		pin(Q) { direction: output; function: "IQ"; }
-	}
-	cell(DFF_PN0) {
-		ff(IQ, IQN) {
-			clocked_on: "C";
-			next_state: "D";
-			clear: "!R";
-		}
-		pin(D) { direction: input; }
-		pin(R) { direction: input; }
-		pin(C) { direction: input; clock: true; }
-		pin(Q) { direction: output; function: "IQ"; }
-	}
-	cell(DFF_PN1) {
-		ff(IQ, IQN) {
-			clocked_on: "C";
-			next_state: "D";
-			preset: "!R";
-		}
-		pin(D) { direction: input; }
-		pin(R) { direction: input; }
-		pin(C) { direction: input; clock: true; }
-		pin(Q) { direction: output; function: "IQ"; }
-	}
-	cell(DFF_PP0) {
-		ff(IQ, IQN) {
-			clocked_on: "C";
-			next_state: "D";
-			clear: "R";
-		}
-		pin(D) { direction: input; }
-		pin(R) { direction: input; }
-		pin(C) { direction: input; clock: true; }
-		pin(Q) { direction: output; function: "IQ"; }
-	}
-	cell(DFF_PP1) {
-		ff(IQ, IQN) {
-			clocked_on: "C";
-			next_state: "D";
-			preset: "R";
-		}
-		pin(D) { direction: input; }
-		pin(R) { direction: input; }
-		pin(C) { direction: input; clock: true; }
-		pin(Q) { direction: output; function: "IQ"; }
-	}
-}